Simplifying Expressions

Front

3a + 4b - 6b + 5a

Back

8a - 2b

Front

-3m - 5m - 3n + 8n

Back

-8m + 5n

Front

4a + 7b - a - 3b

Back

3a + 4b

Front

10n - n

Back

9n

Front

10x - 5y - 10x - 5y

Back

-10y

Front

2r - 4s - 10r - 3s

Back

-8r - 7s

Front

-12m + 15m

Back

3m

Front

-6a - 3a + 9a

Back

0

Front

5 + 4a - 9 + 2a

Back

6a - 4

Front

Simplify:

-7n + 8 - 4n - 15

Back

-11n - 7