Angie is solving the equation - x + 7 = - 11 . Her solution is as follows.
- x + 7 = - 11
7 7
-7
Subtract 7 from both sides.
- 11 - 7 = - 18
In which part of the solution, if any, did Angie make an error?
(1 point)
O She did not make any errors.
She subtracted-11 and -7 incorrectly.
O She subtracted 7 from both sides.
O She did not divide both sides by -1