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(3*x)/4-((21*x)/32) = -7/6 // + -7/6
(3*x)/4-((21*x)/32)-(-7/6) = 0
(3*x)/4+(-21/32)*x+7/6 = 0
3/32*x+7/6 = 0 // - 7/6
3/32*x = -7/6 // : 3/32
x = -7/6/3/32
x = -112/9
x = -112/9
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