Solve for n
n = \frac{21}{2} = 10\frac{1}{2} = 10.5
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\frac{3}{2}\times 7=n
Multiply both sides by 7.
\frac{3\times 7}{2}=n
Express \frac{3}{2}\times 7 as a single fraction.
\frac{21}{2}=n
Multiply 3 and 7 to get 21.
n=\frac{21}{2}
Swap sides so that all variable terms are on the left hand side.
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