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(3/4)*x-3/4 = -9/8 // + -9/8
(3/4)*x-3/4-(-9/8) = 0
(3/4)*x-3/4+9/8 = 0
3/4*x+3/8 = 0 // - 3/8
3/4*x = -3/8 // : 3/4
x = -3/8/3/4
x = -1/2
x = -1/2
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