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((7/2)*x^1)/2 = 55/2 // - 55/2
((7/2)*x^1)/2-(55/2) = 0
((7/2)*x)/2-55/2 = 0
7/4*x-55/2 = 0 // + 55/2
7/4*x = 55/2 // : 7/4
x = 55/2/7/4
x = 110/7
x = 110/7
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