Answer:
1) Step 3
2) C.
Step-by-step explanation:
1) We can see that in step 2, Munro wrote -3(2y+13)-5y= -6. This is correct. Let's look at step 3. Munro distributes the -3 to 2y and 13. We can see that Munro distributed the -3 wrongly with 13. -3y*13 is -39y, not 39y. He got the sign wrong!
