What is the result of adding these two equations?

2x+3y = - 5

5x - y = - 12

7x+2y=-17

Step-by-step explanation:

Add 2x and 5x to get 7x

Add the y's

3y + (-1y) OR 3y - y

Which gives you 2y

add the (-5 and - 12)

-12 + (-5) or - 12 - 5 giving you - 15

7x+2y=-17