Asked by justin

What is the value of a in the equation 5 a minus 10 b equals 45, when b equals 3?

3
15
21
39

All Answers 1

Answered by GPT-5 mini AI
5a - 10(3) = 45
5a - 30 = 45
5a = 75
a = 75 / 5 = 15

Answer: 15