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x in (-oo:+oo)
(1/4)*(9-(2*x)) = (1/8)*(3*x-4) // - (1/8)*(3*x-4)
(1/4)*(9-(2*x))-((1/8)*(3*x-4)) = 0
(1/4)*(9-2*x)+(-1/8)*(3*x-4) = 0
1/4*(9-2*x)-1/8*(3*x-4) = 0
1/4*(9-2*x)-1/8*(3*x-4) = 0
11/4-7/8*x = 0
11/4-7/8*x = 0
11/4-7/8*x = 0 // - 11/4
-7/8*x = -11/4 // : -7/8
x = -11/4/(-7/8)
x = 22/7
x = 22/7
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