How do you simplify the expression -y+3y-6y+12y?

2 Answers
Jun 15, 2018

8y

Explanation:

Writing
-7y+15y=8y

Jun 15, 2018

8y

Explanation:

Think of it as the y's being apples.

Starting with -1 apples, now add 3 apples and you will have -1+3=2 apples. Take away 6 from that and you'll have 2-6=-4. Finally add 12 and you got yourself -4+12=8 apples!