simonwilson2016 simonwilson2016

01-05-2019
Mathematics

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solve using the elimination method -4x+2y=8 4x+4y=28

Respuesta :

TheStranger TheStranger

01-05-2019

Answer:

x = -1

y = 6

Step-by-step explanation:

Equation (1) : -4x + 2y = 8

Equation (2) : 4x + 4y = 28

(1) + (2):

6y = 36

y = 6

Sub y = 6 into (1):

-4x + 2(6) = 8

-4x + 12 = 8

-4x = -4

x = -1

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