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-(6*x)-((5/6)*x)-7/9 = -1121/18 // + -1121/18
-(6*x)-((5/6)*x)-7/9-(-1121/18) = 0
(-5/6)*x-6*x-7/9+1121/18 = 0
123/2-41/6*x = 0 // - 123/2
-41/6*x = -123/2 // : -41/6
x = -123/2/(-41/6)
x = 9
x = 9
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