Solve for n
n = \frac{15}{7} = 2\frac{1}{7} \approx 2.142857143
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\frac{3}{7}\times 5=n
Multiply both sides by 5.
\frac{3\times 5}{7}=n
Express \frac{3}{7}\times 5 as a single fraction.
\frac{15}{7}=n
Multiply 3 and 5 to get 15.
n=\frac{15}{7}
Swap sides so that all variable terms are on the left hand side.
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