md703385 md703385
  • 13-01-2019
  • Mathematics
contestada

Use the substitution method to solve the system

−x+y=−1,
4x−3y=6.

Respuesta :

jaimejohnston2
jaimejohnston2 jaimejohnston2
  • 16-01-2019

Answer:

(3,2)

Step-by-step explanation:

I changed the first equation to x=y+1. Then I substituted the x in the second equation with y+1. So, I got 4(y+1)-3y=6. Then 4y+4-3y=6 turns into y=2. Then you replace y with 2 in the first equation. -x+2=-1. -x=-3 or x=3.

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