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