What is expand ,(120-a-(120-a)/2) ?

The solution to expand ,(120-a-(120-a)/2) is a/2+60-a

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expand ,(120-a-(120-a)/2)

expand

120 - a - \frac{120 - a}{2}

\frac{a}{2} + 60 - a

Solution steps

120 - a - \frac{120 - a}{2}

Apply the fraction rule:

\frac{a \pm b}{c} = \frac{a}{c} \pm \frac{b}{c}

\frac{120 - a}{2} = - (\frac{120}{2}) - (- \frac{a}{2})

= 120 - a - (\frac{120}{2}) - (- \frac{a}{2})

Remove parentheses:

(a) = a, - (- a) = a

= 120 - a - \frac{120}{2} + \frac{a}{2}

Divide the numbers:

\frac{120}{2} = 60

= 120 - a - 60 + \frac{a}{2}

Subtract the numbers:

120 - 60 = 60

= \frac{a}{2} + 60 - a

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What is expand ,(120-a-(120-a)/2) ?
The solution to expand ,(120-a-(120-a)/2) is a/2+60-a