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(3/8)*x-((7/6)*y)+7/12 = 0
(3/8)*x+(-7/6)*y+7/12 = 0
3/8*x-7/6*y+7/12 = 0 // - 7/12-7/6*y
3/8*x = -(7/12-7/6*y) // : 3/8
x = (-(7/12-7/6*y))/3/8
x = -8/3*(7/12-7/6*y)
x = -8/3*(7/12-7/6*y)
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