Verified answer

3(2C – 5) = 45

3(2C – 5)/3 = 45/3

2C - 5 = 15

2C - 5 + 5 = 15 + 5

2C = 20

(2/2)C = 20/2

C = 10

Divide both sides by 3:

2C - 5 = 15

Add 5 to both sides:

2C = 20

Divide both sides by 2:

C = 10

6c-15=45

6c=60

c=10

C=10