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(2*(x-1))/3+7 = (8*x)/5 // - (8*x)/5
(2*(x-1))/3-((8*x)/5)+7 = 0
(2*(x-1))/3+(-8/5)*x+7 = 0
(2*(x-1))/3+(-8*x)/5+7 = 0
(2*5*(x-1))/(3*5)+(-8*3*x)/(3*5)+(3*5*7)/(3*5) = 0
2*5*(x-1)-8*3*x+3*5*7 = 0
105-14*x-10 = 0
95-14*x = 0
(95-14*x)/(3*5) = 0
(95-14*x)/(3*5) = 0 // * 3*5
95-14*x = 0
95-14*x = 0 // - 95
-14*x = -95 // : -14
x = -95/(-14)
x = 95/14
x = 95/14
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