[ginnie12w3]

How do you answer this

-7x-8y=9
-4x+9y=-22

Elimination please

[Unknown008]

Method 1:

1. Multiply the first equation by 4 and the second equation by 7.
2. Subtract one equation from the other.
3. Solve for the resulting variable.
4. Use that known variable to get the last variable.

Method 2:

1. Multiply the first equation by 9 and the second equation by 8.
2. Add both equations together.
3. Solve for the resulting variable.
4. Use that known variable to get the last variable.