0614028761 0614028761

10-03-2021
Mathematics

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Hey guys, I really need help with algebra...
Solve the system by substitution.
x= −8y
−x+y= 18
=(_,_)

Respuesta :

thebecks thebecks

10-03-2021

Answer:

(-16,2)

Step-by-step explanation:

x= −8y

−x+y= 18

substitute for x:

-(-8y) + y = 18

8y + y = 18

9y = 18

divide both sides by 9:

y = 2

x = -8(2) = -16

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