Solve for x
x=30
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-420+x\times 14=0
Subtract 20 from 34 to get 14.
x\times 14=420
Add 420 to both sides. Anything plus zero gives itself.
x=\frac{420}{14}
Divide both sides by 14.
x=30
Divide 420 by 14 to get 30.
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