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x in (-oo:+oo)
(3*x+7)/2 = (8*x+7)/3 // - (8*x+7)/3
(3*x+7)/2-((8*x+7)/3) = 0
(3*x+7)/2+(-1*(8*x+7))/3 = 0
(3*(3*x+7))/(2*3)+(-1*2*(8*x+7))/(2*3) = 0
3*(3*x+7)-1*2*(8*x+7) = 0
7-7*x = 0
(7-7*x)/(2*3) = 0
(7-7*x)/(2*3) = 0 // * 2*3
7-7*x = 0
7-7*x = 0 // - 7
-7*x = -7 // : -7
x = -7/(-7)
x = 1
x = 1
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