How do I algebraically simplify this expression ((x-5)/2-1)/3?

Dec 23, 2015

$\frac{x - 7}{6}$

Explanation:

$\frac{\frac{x - 5}{2} - 1}{3}$

Find a common denominator in the numerator to simplify.

$\frac{\frac{x - 5}{2} - \frac{2}{2}}{3}$

Subtract.

$\frac{\frac{x - 7}{2}}{3}$

Multiply the numerator and denominator by $2$.

$\frac{x - 7}{6}$