emiliemon3619 emiliemon3619
  • 22-01-2021
  • Mathematics
contestada

Use elimination to solve the system of equations. 5x-2y=-3 4x-2y = -6

Respuesta :

thebecks
thebecks thebecks
  • 22-01-2021

Answer:

x=3, y=9

Step-by-step explanation:

5x-2y=-3

4x-2y=-6

Then:

solve for y:

-2y=-6-4x

y=3+2x

Substitute y into either equation:

4x-2(3+2x)=-6

4x-6-4x=-6

-6=-6, use other equation

5x-2(3+2x)=-3

5x-6-4x=-3

x-6=-3

x=3

then:

y=3+2(3)

y=9

Answer Link

Otras preguntas

The lines of symmetry in a regular polygon are equal to the number of sides minus 2. True or False
I NEED HELP PLSS ITS LIKE 200 POINTS
If the earth is like a car, then the greenhouse gases are like the what
hey! i’ll give brainliest please help
A drawer contains black socks and white socks. A person randomly selects two socks without replacement. The probability of selecting two black socks is 120703 a
i have to get this done by today or i fail the grade helpppp
Please help me out I need a conclusion paragraph to why alcohol is bad but mostly bad for the women. It doesn’t need to be 7 full sentences just about 4 a bit
The value of 10+6/2+3 is 7. True or false
Someone please Help!
(4, 4, 7) What is the Mode? What is the Range? What is the Median? What is the Mean?