14-05-2020
Mathematics

contestada

Using the information below, Solve for x. Show Your Work with your answer.

X + 2y = 4
x - 4y= 16

-1 (x + 2y = 4)

-x-2y=-4

-x-2y = -4
X - 4y = 16
_
-6y = 12
__
-6 -6

y=-2

Respuesta :

Chelboy Chelboy

14-05-2020

Answer:8

Step-by-step explanation:

Substitute y=-2 in x-4y=16

x-4y=16

x-4(-2)=16

x+8=16

Collect like terms

x=16-8

x=8

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