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x in (-oo:+oo)
(4*x+2+88)/2 = 6*x+2 // - 6*x+2
(4*x+2+88)/2-(6*x)-2 = 0
(4*x+2+88)/2-6*x-2 = 0
(4*x+90)/2-6*x-2 = 0
(4*x+90)/2+(-6*2*x)/2+(-2*2)/2 = 0
4*x-6*2*x-2*2+90 = 0
90-8*x-4 = 0
86-8*x = 0
(86-8*x)/2 = 0
(86-8*x)/2 = 0 // * 2
86-8*x = 0
86-8*x = 0 // - 86
-8*x = -86 // : -8
x = -86/(-8)
x = 43/4
x = 43/4
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