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1/2-(3/4) = (7/4)*x-2 // - (7/4)*x-2
1/2-((7/4)*x)-(3/4)+2 = 0
(-7/4)*x+1/2-3/4+2 = 0
7/4-7/4*x = 0 // - 7/4
-7/4*x = -7/4 // : -7/4
x = -7/4/(-7/4)
x = 1
x = 1
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