Seudónimo Seudónimo
  • 12-04-2017
  • Mathematics
contestada

Use addition to solve the linear system of equations. Show all of your work.

x = y + 3
y = -4x - 3

Respuesta :

sorryimemely
sorryimemely sorryimemely
  • 12-04-2017
You're looking for the answers to both X and Y, correct?
Answer Link
merrygoroundtheworld
merrygoroundtheworld merrygoroundtheworld
  • 12-04-2017
I changed the first equation to y=x-3 by subtracting 3 from each side.

y=x-3
y=-4x-3

So, x-3 = -4x-3, because y =y.

So, I then solved for x, and used this number to solve for y.
Answer Link

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