2x + 8 = x - 7
Subtract 'x' from each side of the equation:
x + 8 = -7
Subtract 8 from each side:
x = -15
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6x - 8 + 2x - 5 = 7 - 2x ?
Simplify 4x + 3 = 2x + 8 2x = 5 x =2½
x=5
5x-8= -2x+6(+8 = +8)5x=-2x+14(+2x = +2x)7x=14x=14
3x+5 = 2x+13 3x-2x = 13-5 x = 8