8x + 7
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If: 3x-7 = 5x+13 Then: x = -10
3x+7=5x-13 ----> 3x-5x=-13-7 ----> -2x=-6 -----> x=3
5x+7=3x-21 -7= -7 5x=3x-14 -3x=-3x 2x=-14 2x/2x=2x/-14 x=-7 The Answer Is -7 -
3x - 7 = 5x + 133x - 5x = 13 + 7-2x = 20x = -10x=-3
3x + 7 = 5x + 13 3x - 5x = 13 - 7 -2x = 6 -x = 3 x = -3