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\frac{31}{3}-x
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\frac{31}{3}-x
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13-\frac{3+5}{3}-x
Multiply 1 and 3 to get 3.
13-\frac{8}{3}-x
Add 3 and 5 to get 8.
\frac{39}{3}-\frac{8}{3}-x
Convert 13 to fraction \frac{39}{3}.
\frac{39-8}{3}-x
Since \frac{39}{3} and \frac{8}{3} have the same denominator, subtract them by subtracting their numerators.
\frac{31}{3}-x
Subtract 8 from 39 to get 31.
13-\frac{3+5}{3}-x
Multiply 1 and 3 to get 3.
13-\frac{8}{3}-x
Add 3 and 5 to get 8.
\frac{39}{3}-\frac{8}{3}-x
Convert 13 to fraction \frac{39}{3}.
\frac{39-8}{3}-x
Since \frac{39}{3} and \frac{8}{3} have the same denominator, subtract them by subtracting their numerators.
\frac{31}{3}-x
Subtract 8 from 39 to get 31.
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