Seudónimo Seudónimo

12-04-2017
Mathematics

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

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

Respuesta :

sorryimemely sorryimemely

12-04-2017

You're looking for the answers to both X and Y, correct?

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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.

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