Question

PLEASE HELP Mary organized her work below for solving the equation 3m-6=24.

Examine her work and answer the following questions.
In what step (or steps) did Mary make a mistake?
What did she do wrong and how should she fix it?
What should her answer be if she solved the problem correctly?
Be sure to answer in complete sentences.

Answer 1

Mary messed up on the second step. She should have also added 6 to the 24. If she had solved the equation the correct way her answer would have been m=10

Explanation:

3m-6=24

Add 6 on both sides

3m=30

Divide by 3 on both sides

m=10