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(3x + 5 ) - ( 2x - 3 ) = -2
5x2 - 6x -10x - 15 = 2
5x2 - 16x - 15 = 2
hanya itu yg sya tau :D
3x + 5 - 2x + 3 = -2
3x - 2x = -2 - 5 - 3
x = -7 - 3
x = -10