Solve for x
x=2900
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\frac{400}{4}+x=3000
Multiply \frac{1}{4} and 400 to get \frac{400}{4}.
100+x=3000
Divide 400 by 4 to get 100.
x=3000-100
Subtract 100 from both sides.
x=2900
Subtract 100 from 3000 to get 2900.
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