Answer:
1. 7y + 6y + 5y
2. 7y + 6y + 5y = y(7 + 6 + 5) = 18y
Step-by-step explanation:
1. 18 can be separated into 7,6,5
that means 7y + 6y + 5y will work
2. 7y + 6y + 5y
factorizing the like-tern out
= y(7 + 6 + 5)
adding the numbers in parenthesis
= 18y