Kisha and Rae are asked to solve -5x-14=2x+7. Identify where one of them made an error.

Rae made a mistake when she added 7. In order to simplify the 7 on the right hand side, it should have been subtracted from both sides.
Rae was the one who made the mistake when she added 7 when it was suppose to be subtracted, to be able to simplify the equation properly and solve for x
Hope this helps :)