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(1/2)*x+5/4 = 7/2-((1/4)*x) // - 7/2-((1/4)*x)
(1/2)*x+(1/4)*x+5/4-(7/2) = 0
(1/2)*x+(1/4)*x+5/4-7/2 = 0
3/4*x-9/4 = 0 // + 9/4
3/4*x = 9/4 // : 3/4
x = 9/4/3/4
x = 3
x = 3
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