Solve for x
x=2
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14-2x=5x
Subtract 7 from 21 to get 14.
14-2x-5x=0
Subtract 5x from both sides.
14-7x=0
Combine -2x and -5x to get -7x.
-7x=-14
Subtract 14 from both sides. Anything subtracted from zero gives its negation.
x=\frac{-14}{-7}
Divide both sides by -7.
x=2
Divide -14 by -7 to get 2.
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