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x in (-oo:+oo)
(3*x+3)/2 = 10*x // - 10*x
(3*x+3)/2-(10*x) = 0
(3*x+3)/2-10*x = 0
(3*x+3)/2+(-10*2*x)/2 = 0
3*x-10*2*x+3 = 0
3-17*x = 0
(3-17*x)/2 = 0
(3-17*x)/2 = 0 // * 2
3-17*x = 0
3-17*x = 0 // - 3
-17*x = -3 // : -17
x = -3/(-17)
x = 3/17
x = 3/17
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