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(3*x)/4-((21*x)/32) = (-1/1)/8 // - (-1/1)/8
(3*x)/4-((21*x)/32)-((-1/1)/8) = 0
(3*x)/4+(-21/32)*x+1/8 = 0
3/32*x+1/8 = 0 // - 1/8
3/32*x = -1/8 // : 3/32
x = -1/8/3/32
x = -4/3
x = -4/3
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