Solve for x
x = \frac{273}{17} = 16\frac{1}{17} \approx 16.058823529
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\frac{13}{17}\times 21=x
Multiply both sides by 21.
\frac{13\times 21}{17}=x
Express \frac{13}{17}\times 21 as a single fraction.
\frac{273}{17}=x
Multiply 13 and 21 to get 273.
x=\frac{273}{17}
Swap sides so that all variable terms are on the left hand side.
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