Question

Identify who made the error and what she did wrong.

1) Amelia made the error when she added 3.

2) Amelia made the error when she subtracted 4x.

3) Susie made the error when she subtracted 2.

4) Susie made the error when she subtracted 2x.

Answer 1

3) susie made the error when she subtracted 2.

When you are moving the number to the other side, you are supposed to change the sign.

She was supposed to add 2, not subtract.