205k views
7 votes
HELP! Amber was asked to solve the following inequality and show all of her work. She made an error when solving.

2x − 3.5 ≥ 10.5

2x − 3.5 − 3.5 ≥ 10.5 − 3.5

2x ≥ 7

2x ≥ 7(2)

x ≥ 14

- A description of what Amber did wrong and what he should have done instead
- Your work solving the inequality

User Facebook
by
8.3k points

1 Answer

5 votes

Amber did wrong at the second and third step : She completely simplify both sides but she has to minus 3.5 twice on the left side in order to do so. But instead, she just make them gone.

Work :

2x-3.5\geq 10.5 - > 2x\geq 14 - > x\geq 7

User Erik Henriksson
by
8.6k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories