Combine Like Terms

2 terms

100

2y+6y

8y

200

13y-3y

10y

300

-6x+4x

-2x

3 terms

100

8y+7y-1y

14y

200

y+3+4y

5y+3

300

4+2x+4x

6x+4

Mixed

100

4b-8b

-4b

200

8n+n-2

9n-2

300

7r-2+5r-6r

6r-2