Question

−7x−8y=9
−4x+9y=−22

HELP FAST !!!!!!!!!

Answer 1

x = 1 , y =− 2

Explanation:

Multiply each equation by the value that makes the coefficients of

x opposite.

( − 4 ) ⋅ ( − 7 x − 8 y ) = ( − 4 ) ( 9 ) ( 7 ) ⋅ − 4 x + 9 y ) = ( 7 ) ( 22 )

Simplify.

y=-2

x=1