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5*x+8 = (3/4)*x-155/4 // - (3/4)*x-155/4
5*x-((3/4)*x)-(-155/4)+8 = 0
5*x+(-3/4)*x+155/4+8 = 0
17/4*x+187/4 = 0 // - 187/4
17/4*x = -187/4 // : 17/4
x = -187/4/17/4
x = -11
x = -11
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