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7-(4*((3/4)*x-(1/4))) = 0
7-4*((3/4)*x-1/4) = 0
7-4*(3/4*x-1/4) = 0
7-4*(3/4*x-1/4) = 0
8-3*x = 0
8-3*x = 0
8-3*x = 0 // - 8
-3*x = -8 // : -3
x = -8/(-3)
x = 8/3
x = 8/3
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