Question

1. (9x+3y) +(-7x)

2. (8m-6n) + (7m)

Answer 1

1) 2x+3y

2) 15m-6n

Explanation:

Lets first simplify 1.

1) open parentheses

9x+3y-7x

2)combine like terms

2x+3y

Simplify 2.

1) open parentheses

8m-6n+7m

2) combine like terms

15m-6n

Answer 2

1. 2x + 3y

2. 15m -6n

Explanation:

Combine like terms.