nicenor nicenor

19-06-2020
Mathematics

contestada

9x - 3y = -42 and -9x + 8y =22

Respuesta :

19-06-2020

Answer:

(-5 1/9, -4)

Step-by-step explanation:

Add the equations

5y=-20

y=-4

-9x+8(-4)=22

-9x-32=22

-9x=46

x= - 5 1/9

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