hayleyram0809 hayleyram0809

10-02-2021
Mathematics

contestada

−7x−8y=9
−4x+9y=−22

HELP FAST !!!!!!!!!

Respuesta :

gizelleramirez05 gizelleramirez05

10-02-2021

Answer:

x = 1 , y =− 2

Step-by-step 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

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