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x in (-oo:+oo)
(x+3)/3+(x+4)/8 = 2 // - 2
(x+3)/3+(x+4)/8-2 = 0
(8*(x+3))/(3*8)+(3*(x+4))/(3*8)+(-2*3*8)/(3*8) = 0
8*(x+3)+3*(x+4)-2*3*8 = 0
11*x-48+36 = 0
11*x-12 = 0
(11*x-12)/(3*8) = 0
(11*x-12)/(3*8) = 0 // * 3*8
11*x-12 = 0
11*x-12 = 0 // + 12
11*x = 12 // : 11
x = 12/11
x = 12/11
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