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6-((1/2)*x) = (1/4)*x // - (1/4)*x
6-((1/2)*x)-((1/4)*x) = 0
(-1/2)*x+(-1/4)*x+6 = 0
6-3/4*x = 0 // - 6
-3/4*x = -6 // : -3/4
x = -6/(-3/4)
x = 8
x = 8
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