Deynap10 Deynap10
  • 20-12-2019
  • Mathematics
contestada

WWg System.
5x - y =10
10x +3y=-5

Respuesta :

Stefanisaska
Stefanisaska Stefanisaska
  • 20-12-2019

Answer: x=1

              y=-5

Step-by-step explanation:

5x-y=10

10x+3y=-5

-----------------------------

y=5x-10

10x+3(5x-10)= -5

-----------------------------

y=5x-10

25x-30=-5

25x=25

x=25/25

x=1

------------------

y=5*1-10

y=-5

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