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x in (-oo:+oo)
(2/3)*(9*x-3) = 8*x+4 // - 8*x+4
(2/3)*(9*x-3)-(8*x)-4 = 0
(2/3)*(9*x-3)-8*x-4 = 0
2/3*(9*x-3)-8*x-4 = 0
2/3*(9*x-3)-8*x-4 = 0
-2*x-4-2 = 0
-2*x-6 = 0
-2*x-6 = 0
-2*x-6 = 0 // + 6
-2*x = 6 // : -2
x = 6/(-2)
x = -3
x = -3
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