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1/8 = (-3/4)*x-(5/2) // - (-3/4)*x-(5/2)
1/8-((-3/4)*x)+5/2 = 0
(3/4)*x+1/8+5/2 = 0
3/4*x+21/8 = 0 // - 21/8
3/4*x = -21/8 // : 3/4
x = -21/8/3/4
x = -7/2
x = -7/2
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