kani51
kani51 kani51
  • 04-03-2020
  • Mathematics
contestada

Use substitution to solve the system

2y - 8 = x

2x + 3y = -2

Respuesta :

dannielle
dannielle dannielle
  • 04-03-2020

Answer:

x=2y-8

We use the substitution of x in the second equation

2*(2y-8)+3y= -2

4y-16+3y=-2

7y-16= -2

7y= -2 +16

7y=14

y=14Ș7

y=2

so x= 2*2 -8

    x=4-8

    x=-4

the solution is  (x,y)=(-4, 2)

Step-by-step explanation:

Answer Link

Otras preguntas

\Who were the important people/companies involved when the whaling industry began?
Explain how the force of electric interactions is related to the force of magnetic interactions.
Which weather event is capable of destroying homes and uprooting trees due to a low-pressure area at its center generating winds of up to 300 mph?.
if a liquor law is violate the liquor authority can issue a citation today
Which of the following chemicals was not used to stain this tissue.
5. True or false: the state governments are the only entities that can conduct business with Native American tribes.
Value of x is greater than or equal to 14.
What is the volume of a cube with a side length that measures 1 1/2 inches
Jazz music evolved from the blending of which traditions and musical practices? a. African traditions and European and American musical practices b. Afric
Which of the following is not a requirement of a complaint? A. It must be accompanied by an affidavit. B. It must allege sufficient facts to show that the plain