X=10.
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3x+7=5x-13 ----> 3x-5x=-13-7 ----> -2x=-6 -----> x=3
3x - 7 = 5x + 13-2x = 20x = -10
If: 3x-7 = 5x+13 Then: x = -10
3x + 7 = 5x + 13 3x - 5x = 13 - 7 -2x = 6 -x = 3 x = -3
3x - 7 = 5x + 133x - 5x = 13 + 7-2x = 20x = -10x=-3