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(1/9)*(2*x+1)-((1/3)*(2*x+4)) = 0
(1/9)*(2*x+1)+(-1/3)*(2*x+4) = 0
1/9*(2*x+1)-1/3*(2*x+4) = 0
1/9*(2*x+1)-1/3*(2*x+4) = 0
-4/9*x-11/9 = 0
-4/9*x-11/9 = 0
-4/9*x-11/9 = 0 // + 11/9
-4/9*x = 11/9 // : -4/9
x = 11/9/(-4/9)
x = -11/4
x = -11/4
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