Question

How do you simplify `\frac { - 21( 5) + 5( 5) } { - 7- ( - 3) }`?

Answer 1

`20`

Explanation:

`(-21(5)+5(5))/(-7-(-3))=(-105+25)/(-7+3)=(-80)/-4=80/4`

Simplify by dividing both the numerator and denominator by `4`

`(80divide4)/(4divide4)=20/1=20`