87.0k views
23 votes
Grace solved the equation 122=−58 122 = x - 58 . Her work is shown. What error did Grace make?

2 Answers

3 votes

Answer:

Explanation:

Grace should have added 58 to both sides of the equation instead of subtracting.

User Insanebits
by
5.4k points
9 votes

Answer:


122 = x - 58 \\ x = 122 + 58 \\ x = 180 \\ error = 0.5 * {10}^( - 3) \\ = 0.0005

User Kinzleb
by
5.4k points