KadijaDiawara
KadijaDiawara KadijaDiawara
  • 12-02-2021
  • Mathematics
contestada

y= -2x-2, -2x+4y=12 please help i'll give 100 points.


solve it in substitution

Respuesta :

h1nkle
h1nkle h1nkle
  • 12-02-2021

Answer:

x = -2 and y= 2

Step-by-step explanation:

y=-2x-2 and -2x+4y=12

Substitute: -2x+4(-2x-2)=12

Distribute: -2x-8x-8=12

Combine like terms: -10x-8=12

Simplify: -10x=20

20/-10 = -2

Use that value to solve for y

y=-2x-2

Substitute x value: y=-2(-2)-2

Simplify: y=2

Answer Link

Otras preguntas

how do you solve this a -2a/5=3
BD bisects ABC so that ABD = 2y and CBD = 5y – 12.
Restate the 4 laws that govern energy.
When you visit the executive assistant to request important changes to a spreadsheet, he is hard at work, e-mailing clients. The moment you arrive, however, he
Using the following image, find FG given GH = 7 and FH = 15.​
If you are regularly active your heart will get bigger and stronger. Question 1 options: True False
what is 10km times 1hour and 2 min
The skin is____ to the bones
What major invention led to the cell theory?
Decide if the following sentence is True or False. "El maestro" quiere decir "the teacher" en inglés.