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(2/5)*(4*x+3) = 2*(1-(2*x))+16 // - 2*(1-(2*x))+16
(2/5)*(4*x+3)-(2*(1-(2*x)))-16 = 0
(2/5)*(4*x+3)-2*(1-2*x)-16 = 0
2/5*(4*x+3)-2*(1-2*x)-16 = 0
2/5*(4*x+3)-2*(1-2*x)-16 = 0
28/5*x-16-4/5 = 0
28/5*x-84/5 = 0
28/5*x-84/5 = 0
28/5*x-84/5 = 0 // + 84/5
28/5*x = 84/5 // : 28/5
x = 84/5/28/5
x = 3
x = 3
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