Question

Marla solved the inequality below incorrectly. What mistake did she make?

-5x - 3.5 < 6.5
-5x < 10
x > 2

a
She added 3.5 to both sides when she should have subtracted.
b
She should have divided both sides by negative 5 as her first step.
c
She should not have flipped the inequality symbol in her answer
d
She should have divided 10 by negative 5 and gotten a -2

Answer 1

Answer : The correct answer should be d.

Explanation:

she did everything right except when she divided by regular 5. Marla should have divided by -5 to get x > -2.