Match the following items.

Am I right

1. 2x + x + 4 = - 17

2

combine like terms

2. 3x + 4 = - 17

3

subtraction

3. 3x = - 21

4

division

4. x = - 7

1

Given

Yup correct : D

thrs a shorter method though

Imagine + 4 flying over the = sign, and just change the sign (from + to - )

It is a lot shorter, as long as you can visualise. If for example - 10 is flying over, it becomes + 10