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