Angie is solving the equation −x+7=−11

Question

. Her solution is as follows.

−x+7
=
−11

−7
−7
Subtract 7 from both sides.
x
=
−18
−11−7=−18
.
In which part of the solution, if any, did Angie make an error?

(1 point)
Responses

She subtracted 7 from both sides.
She subtracted 7 from both sides.

She did not make any errors.
She did not make any errors.

She subtracted −11
and −7
incorrectly.
She subtracted negative 11 and negative 7 incorrectly.

She did not divide both sides by −1
.

Answer 1

Angie made an error in the step "She subtracted 7 from both sides." The correct step should be "-x = -18" instead of "x = -18."