Solve for x
x=9
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x+18-3x=0
Subtract 3x from both sides.
-2x+18=0
Combine x and -3x to get -2x.
-2x=-18
Subtract 18 from both sides. Anything subtracted from zero gives its negation.
x=\frac{-18}{-2}
Divide both sides by -2.
x=9
Divide -18 by -2 to get 9.
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Limits
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