96.5k views
3 votes
Please help me out fast

Please help me out fast-example-1
User Yuberka
by
7.7k points

2 Answers

4 votes
It's line 2.

they moved the 4 to the denominator
User Ray J Tong
by
8.4k points
4 votes
Line2 is where he made the mistake
User Mljrg
by
9.0k points