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x in (-oo:+oo)
2*x-((3*x)/2) = 4 // - 4
2*x-((3*x)/2)-4 = 0
2*x+(-3/2)*x-4 = 0
1/2*x-4 = 0 // + 4
1/2*x = 4 // : 1/2
x = 4/1/2
x = 8
x = 8
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