2934715 2934715

10-12-2021
Mathematics

contestada

X=-2y,x-y=6 solve by substitution show all work

Respuesta :

Markoxmara Markoxmara

10-12-2021

Answer:

y=-3

x=3

Step-by-step explanation:

x=-2y

x-y=9

substitute -2y for x in the second equation

you get:

-2y-y=9

combine like terms

-3y=9

divide by -3 on both sides

y=-3

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