Solve for x
x=0
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-\frac{x}{3}-x=0
Subtract x from both sides.
-\frac{4}{3}x=0
Combine -\frac{x}{3} and -x to get -\frac{4}{3}x.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since -\frac{4}{3} is not equal to 0, x must be equal to 0.
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