shippy2003 shippy2003
  • 01-12-2020
  • Mathematics
contestada

10x + 4y = 20
13x - 4y = -66
If x = -2, what is the value of y?

Respuesta :

jovemarlie07 jovemarlie07
  • 01-12-2020

Answer:

y = 10

Step-by-step explanation:

If x = -2

10x + 4y = 20

10(-2) + 4y=20

-20+4y=20

4y= 20+20

4y=40

y=10

If x=2 and y=10

13x - 4y = -66

13(-2) - 4(10) =-66

-26 -(-40) = 66  so it all checks out!!

Answer Link

Otras preguntas

The sugar and stamp acts created incentives for which groups to engage in collective action
Is it bad to pick up chicks in a dungeon?
seedless bananas were probably first caused by a blank
ATP is converted into ADP when energy is needed by an organism. If water were not available in the mitochondria, what would most likely happen?
What 6 carbon sugar serves as the primary fuel for metabolism in all living things?
Write an expression for the following statement(s), and then list each operation present (make sure you define any variables used). A record company earns 25% o
If six different chips are to placed on the board, how many different layouts are possible?
The second side of a triangular deck is 6 feet longer than the shortest side and a third side that is 6 feet shorter than twice the length of the shortest side.
Chris had a tin of 24 cookies he has eaten 2/4 of the cookies how many cookies did he eat
Why did people risk their lives to fight against the world’s superpower in the 1770s?