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(5*x+8)/5+7/5 = (-3*x)/2 // - (-3*x)/2
(5*x+8)/5-((-3*x)/2)+7/5 = 0
(5*x+8)/5+(3/2)*x+7/5 = 0
(5*x+8)/5+(3*x)/2+7/5 = 0
(2*(5*x+8))/(2*5)+(3*5*x)/(2*5)+(2*7)/(2*5) = 0
2*(5*x+8)+3*5*x+2*7 = 0
25*x+14+16 = 0
25*x+30 = 0
(25*x+30)/(2*5) = 0
(25*x+30)/(2*5) = 0 // * 2*5
25*x+30 = 0
25*x+30 = 0 // - 30
25*x = -30 // : 25
x = -30/25
x = -6/5
x = -6/5
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