Question

Zora solved the equation 39=x−12. Her work is shown. What error did Zora make?

Answer 1

Explanation:

39 = x - 12

Adding 12 to both side

39 + 12 = x - 12 + 12

51 = x

X = 51

Answer 2

Zora should have added 12 to both sides of the equation instead of subtracting.

Explanation:

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