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1
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3u +3z -4u -5z =
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2
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5r -2y +3r -5y -5q -y -4y =
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3
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3x +3s +s -2x +2s =
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4
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-5p +2a -5p +3a -3p +2a -p =
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5
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5r -r -5r +5r +r =
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6
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5n -4r -r -2r -4r -2r =
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7
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-4r -5r +2r -5a -5a -5r =
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8
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-u -2u +p -p -5a -5u -2a -p =
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9
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-4r +5r +r -r +5u +r -2r -3r =
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10
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-3s +n +3s -n =
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11
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5s +4p -5s +4r -4p -s =
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12
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2p +4p +4u +3y +4y -2u =
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13
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3f +2n -2n +n +3n +5n =
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14
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2a -2z +z -4z -a -5a +5a +4a =
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15
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2z -5z +5a -2z -3z +2z -4u +3z =
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16
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-2p -r -4r -4p +4p -2p =
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17
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-2a -4a +2q -4a +5q +5q +a =
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18
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2f +5u +f -n +3f +4n +4u +3n =
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19
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-2r +5f -4n +2n =
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20
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-a -4y +2q -2y +4y -a =
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21
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-r -r -5r -4a -5r -5r +r =
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22
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-5x -2x +3x +4x +2x -2s -4x =
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23
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-r +2r -4r -3n +4y +4n =
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24
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4m -3s -4s -m +3m +2s +4m -3s =
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25
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-5r -5r -4r -2r -2p +4r +2r =
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26
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4q -2q -5p -3q +q -3p -3x =
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27
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-2n -3n -n +4x -3x +x -3n =
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28
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2x -2n +4n +2n =
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29
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4m +2r +2m -2r -3r +4m -3r +3m =
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30
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4m -5u +5m -u -4u -u +2u -4m =
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31
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-2r +4z +2f -3f +2r +2r -5z =
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32
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x +5p +4x +2x -4x -2x +x -4x =
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33
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2f -5x +3f -2x -2f +2a +2a +4x =
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34
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4z +z -5z -4z +5z =
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35
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4m +2r -r +p -5m +p =
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36
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-2p +z +5p +2p -4q =
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37
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3u +4u +3u +2u +2u +n +5n =
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38
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-3q +2r -r +n -4n -2n +3q =
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39
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-3r -2y +3r -n +2n +5y -2n -4n =
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40
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-5p +2z -2p +4p -3f -5p +2f =
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41
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5r -r +5m +4s +5s -2s +3s =
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42
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q +5p -p -4p +4f +2q +q =
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43
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3p +p -p -2f -5f -4p =
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44
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4u +3s -x +5u -3s -3u -3s =
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45
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3a -2x -3a -4a -3x -3a +2x +3n =
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46
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n -2n +3u +3n -n +3n +3u +2u =
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47
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-3y -4p +3p +3p -2y +5y =
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48
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-2n -2q -5u +3q =
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49
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5u +5y -3u +4s -3s +y +u +5u =
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50
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-4n +5n -4s +5n +4n +2s -4s +4s =
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