akristalidi akristalidi
  • 25-11-2019
  • Mathematics
contestada

{ y= 1/4x + 3
y= 2x + 10



What is the solution for this system of equations?

Respuesta :

Yang100
Yang100 Yang100
  • 25-11-2019

Answer:

x=-4, y=2. (-4, 2).

Step-by-step explanation:

y=1/4x+3

y=2x+10

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

1/4x+3=2x+10

1/4x-2x+3=10

1/4x-8/4x=10-3

-7/4x=7

x=7/(-7/4)

x=(7/1)(-4/7)

x=-4/1=-4

y=2(-4)+10=-8+10=2

x=-4, y=2.

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