Solve for x
x=12
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\frac{4}{7}\times 21=x
Multiply both sides by 21.
\frac{4\times 21}{7}=x
Express \frac{4}{7}\times 21 as a single fraction.
\frac{84}{7}=x
Multiply 4 and 21 to get 84.
12=x
Divide 84 by 7 to get 12.
x=12
Swap sides so that all variable terms are on the left hand side.
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