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x in (-oo:+oo)
24-(3*x) = 3/2 // - 3/2
24-(3*x)-(3/2) = 0
24-3*x-3/2 = 0
45/2-3*x = 0 // - 45/2
-3*x = -45/2 // : -3
x = -45/2/(-3)
x = 15/2
x = 15/2
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