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-5/9 = (2/3)*x-2*x+1/3 // - (2/3)*x-2*x+1/3
-(-2*x)-((2/3)*x)-5/9-(1/3) = 0
2*x+(-2/3)*x-5/9-1/3 = 0
4/3*x-8/9 = 0 // + 8/9
4/3*x = 8/9 // : 4/3
x = 8/9/4/3
x = 2/3
x = 2/3
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