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

Question

1562 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-11-20T02:22:17

$20$

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

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

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

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