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(2*(8-x))/3 = 4-(4*x) // - 4-(4*x)
(2*(8-x))/3+4*x-4 = 0
(2*(8-x))/3+(3*4*x)/3+(-4*3)/3 = 0
2*(8-x)+3*4*x-4*3 = 0
10*x-12+16 = 0
10*x+4 = 0
(10*x+4)/3 = 0
(10*x+4)/3 = 0 // * 3
10*x+4 = 0
10*x+4 = 0 // - 4
10*x = -4 // : 10
x = -4/10
x = -2/5
x = -2/5
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