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