Question

Can somebody check my work? Pretty sure I'm doing it right, just want to make sure

Answer 1

http://prntscr.com/6z6tw9

Answer 2

To check this, simply substitue 13 in for x. Like this: \[x + 4 = -9\]\[13 + 4 = -9\] Now tell me, is 13 + 4 equal to -9?

Answer 3

So it would be -13..

Answer 4

Ahh, thank you!

Answer 5

You are welcome! :)