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x in (-oo:+oo)
(-3/6)*x = 9/24 // - 9/24
(-3/6)*x-(9/24) = 0
(-3/6)*x-3/8 = 0
-1/2*x-3/8 = 0 // + 3/8
-1/2*x = 3/8 // : -1/2
x = 3/8/(-1/2)
x = -3/4
x = -3/4
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