2rawwchanel
2rawwchanel 2rawwchanel
  • 19-01-2022
  • Mathematics
contestada

Solve each system by substitution
5.) y= -3x
x + y =4

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 19-01-2022

Answer:

x = -2

y = 6

Step-by-step explanation:

y= -3x

x + y =4

Substitute y = -3x from the first equation into the second equation

x + (-3x) = 4

Combine like terms

-2x = 4

Divide by -2

-2x/-2 = 4/-2

x = -2

Now find y

y = -3x

y = -3(-2)

y = 6

Answer Link

Otras preguntas

The low temperature on Monday was 6 degrees below zero. The high temperature was 10 degrees above zero. Which integer represents the low temperature? A. -16
Solve for x: log6x-log2=1
what is 40 divided by 9 ?
(1+sin y)(1+sin (-y))=cos^2 y)
Multiply. Simplify your answer and write it as a proper fraction or as a whole or mixed number.1/2 × 9 =
What are the factors of 5000 that add up to 20?
If an object travels at five feet per second, how many feet does it travel in one hour?
The energy stored in foods and fuels is _________ potential energy. What kind of potential energy?
What is the total displacement of a bee that flies 2 meters east, 5 meters north, and 3 meters east?
A trundle wheel is used by surveyors to measure distances. It consits of a circular disc attached to a handle. One revolution of the wheel measures out exactly