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4*x-2 = (-5/6)*x-(91/2) // - (-5/6)*x-(91/2)
4*x-((-5/6)*x)+91/2-2 = 0
4*x+(5/6)*x+91/2-2 = 0
29/6*x+87/2 = 0 // - 87/2
29/6*x = -87/2 // : 29/6
x = -87/2/29/6
x = -9
x = -9
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