sadlittlemochi2 sadlittlemochi2
  • 01-05-2020
  • Mathematics
contestada

Find the solution for the system of linear equations by elimination: -3x + y = 2, 4x - y = 4 Explain how you found the solution.

Respuesta :

MikeMart77
MikeMart77 MikeMart77
  • 01-05-2020

Answer:

[tex]x = 6 \\ y = 20[/tex]

Step-by-step explanation:

1. Add the equations. The y's cancel out.

[tex] + 4x - y = + 4 \\ - 3x + y = + 2 \\ - - - - - - - \\ x = 6[/tex]

2. Embed x in either equation and find y.

[tex]4x - y = 4 \\ 4(6) - y = 4 \\ 24 - y = 4 \\ 20 - y = 0 \\ y = 20[/tex]

Answer Link

Otras preguntas

Which statement best describes how Americans in the 1960s felt about the Vietnam War?
(SHOW UR WORK) What is the result of 90.425 subtracted from 48.4?
PLEASE HELP!! with solution needed!!
who was the Egyption god of the sun?
. Saving Sea Turtles Small-scale fishing performed with nets is one of the most common fishing methods used around the world. One of the unfortunate side effect
The equation 5x+7=4x+8+x-1 is true for all real numbers. Substitute a few real numbers for x to see that this is so and then try solving the equation. Describe
A nurse asks a doctor about medication for a patient in a hospital. The doctor accidentally tells the nurse to give the patient the wrong medication, and the nu
The ratio of boys to girls at a camp is 4:5. If there are 75 girls, how many boys are there? I NEED AN ANSWER ASAP PLEASE
What does 0= -12 mean regarding the solution to the system?
Can someone help me?? brainlest on the way if you do