Question

(PLZ FAST- 30 PTS)Which expressions are equivalent?

3x - 7y and -7y + 3x
3x - 7y and 7y - 3x
3x - 7y and 3y - 7x
3x - 7y and -3y + 7x

Answer 1

The answer is

3x-7y and -7y+3x

Answer 2

A. 3x-7y and -7y+3x

Explanation:

Let x=1, y=2

3(1)-7(2)

3-14

-11

-7(2)+3(1)

-14+3

-11