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x in (-oo:+oo)
2*(1-(3*x)) = 5*(x+1/2) // - 5*(x+1/2)
2*(1-(3*x))-(5*(x+1/2)) = 0
2*(1-3*x)-5*(x+1/2) = 0
2*(1-3*x)-5*(x+1/2) = 0
-11*x-1/2 = 0
-11*x-1/2 = 0
-11*x-1/2 = 0 // + 1/2
-11*x = 1/2 // : -11
x = 1/2/(-11)
x = -1/22
x = -1/22
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