sophiergannon sophiergannon
  • 14-05-2021
  • Mathematics
contestada

Solve the system of equations.
y = 2x
x + y = -6

Respuesta :

shallen
shallen shallen
  • 14-05-2021

Answer:

y=-4

x=-2

Step-by-step explanation:

Given:

x+y=-6

y=2x

So, you can then substitute y for 2x

x+(2x)=-6

Then, solve for x

3x=-6

x=-2

Then solve for y

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

Answer Link
sydneypaigeeeee sydneypaigeeeee
  • 14-05-2021
If y = 2x then you will just plug that into the next equation
x+2x = -6
3x = -6
x = -2

y = 2(-2)
y = -4
Answer Link

Otras preguntas

which is one cause of speciation?​
how many times can 2 go into 245​
What transition word would be best to use for a comparison
How did the Supreme Court’s decision in Schenck v. United States affect free speech?
Functions cholesterol has in our cells and body. Cell membrane, learning and memory, digestion and bile acids, vitamin D and steroid hormones
how many times can 2 go into 245 in fraction form​
HELP WITH THIS PROBLEM???
Which element of structure most contributes to the post modern quality of this excerpt
Using the addition or subtraction formulas for sine or cosine... sin(a)sin(b)=(sin(a+b)+sin(a-b))/2
true or false? in the case Brown v. the board of Education of Topeka, Kansas, the court ruled against segregation.