Solve for x
x=420
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25+10x=4225
Combine x^{2} and -x^{2} to get 0.
10x=4225-25
Subtract 25 from both sides.
10x=4200
Subtract 25 from 4225 to get 4200.
x=\frac{4200}{10}
Divide both sides by 10.
x=420
Divide 4200 by 10 to get 420.
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