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(7*x)/6+1/2 = x-(1/2) // - x-(1/2)
(7*x)/6-x+1/2+1/2 = 0
1/6*x+1 = 0 // - 1
1/6*x = -1 // : 1/6
x = -1/1/6
x = -6
x = -6
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