willow solves the equation 12-p=16 and gets that p=4. WHat did she do wrong?

She added 12 to both sides. She added 12 to both sides. She did not divide both sides by 12. She did not divide both sides by 12. She did not multiply both sides by 12. She did not multiply both sides by 12. She did not divide both sides by -1.

1 answer

She added 12 to both sides. The correct operation to isolate p would have been to subtract 12 from both sides.