Solve for x
x = \frac{9984}{7} = 1426\frac{2}{7} \approx 1426.285714286
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7x=10005-21
Subtract 21 from both sides.
7x=9984
Subtract 21 from 10005 to get 9984.
x=\frac{9984}{7}
Divide both sides by 7.
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