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x in (-oo:+oo)
(1/4)*(3*x+68) = 5*x // - 5*x
(1/4)*(3*x+68)-(5*x) = 0
(1/4)*(3*x+68)-5*x = 0
1/4*(3*x+68)-5*x = 0
1/4*(3*x+68)-5*x = 0
17-17/4*x = 0
17-17/4*x = 0
17-17/4*x = 0 // - 17
-17/4*x = -17 // : -17/4
x = -17/(-17/4)
x = 4
x = 4
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