kylieweeks052704 kylieweeks052704
  • 03-02-2019
  • Mathematics
contestada

x + y = 5 ; x - y =3 solve using linear combination

Respuesta :

brasbo23
brasbo23 brasbo23
  • 03-02-2019

Answer:

x = 4

y = 1

Step-by-step explanation:

use one equation to solve for one variable.

y = 5 - x

Now plug the value of y in the other equation

x - (5-x) = 3

x+x= 3+5

2x=8

x=4

Now use the value of x to find the value of y on the first equation

y = 5 - x

y = 5 - 4

y = 1


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