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x in (-oo:+oo)
(1/2)*x+2 = 8*x+7/8 // - 8*x+7/8
(1/2)*x-(8*x)-(7/8)+2 = 0
(1/2)*x-8*x-7/8+2 = 0
9/8-15/2*x = 0 // - 9/8
-15/2*x = -9/8 // : -15/2
x = -9/8/(-15/2)
x = 3/20
x = 3/20
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