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1. 2(x + 1) + 3 (x + 1) = 25
4 -4 10
2. 3(x + 2) - 2(x -2) = 14
2 4 6
3. 2(x + 1) + 3(x -1) = 4(x + 1) + 2(x +2)
9 -9 10
Equations 4
Equations 5