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x in (-oo:+oo)
2*x = 3-((5*(7-(3*x)))/4) // - 3-((5*(7-(3*x)))/4)
(5*(7-(3*x)))/4+2*x-3 = 0
(5*(7-3*x))/4+2*x-3 = 0
(5*(7-3*x))/4+(2*4*x)/4+(-3*4)/4 = 0
5*(7-3*x)+2*4*x-3*4 = 0
35-7*x-12 = 0
23-7*x = 0
(23-7*x)/4 = 0
(23-7*x)/4 = 0 // * 4
23-7*x = 0
23-7*x = 0 // - 23
-7*x = -23 // : -7
x = -23/(-7)
x = 23/7
x = 23/7
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