Solve for n
n = \frac{12}{7} = 1\frac{5}{7} \approx 1.714285714
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\frac{4}{7}\times 3=n
Multiply both sides by 3.
\frac{4\times 3}{7}=n
Express \frac{4}{7}\times 3 as a single fraction.
\frac{12}{7}=n
Multiply 4 and 3 to get 12.
n=\frac{12}{7}
Swap sides so that all variable terms are on the left hand side.
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