Solve for x
x=0
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x-x\times 3=0
Subtract x\times 3 from both sides.
-2x=0
Combine x and -x\times 3 to get -2x.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since -2 is not equal to 0, x must be equal to 0.
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