Answer:
3/20
Step-by-step explanation:
_ ÷ 7=9
_ - 12=0
25 ÷ 3=y
1/5×r=15
(2 × y) - 6 =34
To get from ax-5a+4x-20 to a(x-5)+2(2x-10). You had to of found a common factor.
Another (better) way to simply this would be finding the greatest common factor.
a(x-5)+4(x-5)
(a+4)(x-5)
Its 3