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(2/5)*(3*x+7) = 4*(1-(4*x))+16 // - 4*(1-(4*x))+16
(2/5)*(3*x+7)-(4*(1-(4*x)))-16 = 0
(2/5)*(3*x+7)-4*(1-4*x)-16 = 0
2/5*(3*x+7)-4*(1-4*x)-16 = 0
2/5*(3*x+7)-4*(1-4*x)-16 = 0
86/5*x-16-6/5 = 0
86/5*x-86/5 = 0
86/5*x-86/5 = 0
86/5*x-86/5 = 0 // + 86/5
86/5*x = 86/5 // : 86/5
x = 86/5/86/5
x = 1
x = 1
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