gogji
gogji gogji
  • 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 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

Answer Link

Otras preguntas

Which of the following would least likely be shown on a topographic map? A. A hill B. Rivers C. Vegetation D. Contour lines
how do i make a table of x- and y-values based on the equation y=2x+3?
When calculating your total purchase, you must _____.
Identify the Greek god at the center of the artwork depicted above. Identify the symbols in the artwork that help you identify this god.
According to the preamble who gives power to the constitution
let f(n)=-3n+10 which is larger, f(2) or f(1)?I just need to know if I did this right?? I'm not sure.
help please (I would really appreciate it )
Find the length of the missing side
In which quadrant will the image FGH lie after a counterclockwise rotation of 1980 degrees? Explain how you made your prediction
The density of silver is 10.5 g/cm3. A piece of silver with a mass of 101 g would occupy a volume of ________ cm3.