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Anonymous
Subtract 7 from each side of the equation: 2x = 8
Divide by 2: x = 4
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X=7
4x - 7 = 2x + 15 4x = 2x +222x = 22x = 11
-7 +2x = x + 8 2x - x = 7 + 8 x = 15
(5,3)
2x - 7 = 15 2x = 22 x = 11