2x+(x-y)^3 when x=9 and y=7

This problem is from a test review sheet (answer included)I have almost filled a notebook trying to solve this.

3 answers

2x+(x-y)^3 when x=9 and y=7

2(9) + (9 - 7)^3
18 + (2)^3
18 + 8 = ?

Where were you having a problem?
Got hung up with what to do about the 7 and did not attach the 9 to the left side. Thank you!
You're welcome :)