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(3/2)*x+5/2 = -7/2 // + -7/2
(3/2)*x+5/2-(-7/2) = 0
(3/2)*x+5/2+7/2 = 0
3/2*x+6 = 0 // - 6
3/2*x = -6 // : 3/2
x = -6/3/2
x = -4
x = -4
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