Question

Question in picture solve

Answer 1

Answer:

r=20

Step-by-step explanation:

Add 5 to both sides

1=$\frac{r}{20}$

Multiply both sides by 20

20=r

Answer 2

Answer:

r=20

Step-by-step explanation:

-4=r/20-5

+5    +5

1=r/20

r=20

Please correct me if I am wrong.