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(1/3)*x+2/9 = 3*x-10/9 // - 3*x-10/9
(1/3)*x-(3*x)+2/9-(-10/9) = 0
(1/3)*x-3*x+2/9+10/9 = 0
4/3-8/3*x = 0 // - 4/3
-8/3*x = -4/3 // : -8/3
x = -4/3/(-8/3)
x = 1/2
x = 1/2
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