solve the equation. check the solution

1. a divided by 7= 20

2. d divided by 2=8

3. c divided by 3=15

1. a/7 = 20

Multiply both sides by 7:
a = 7 * 20 = 140.
Check: 140/7 = 20

2. Same procedure as #1.

3. Same procedure as #1.