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(4/3)*x-(6*x) = 2*x+16 // - 2*x+16
(4/3)*x-(6*x)-(2*x)-16 = 0
(4/3)*x-6*x-2*x-16 = 0
-20/3*x-16 = 0 // + 16
-20/3*x = 16 // : -20/3
x = 16/(-20/3)
x = -12/5
x = -12/5
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