kamdynj1 kamdynj1

01-03-2022
Mathematics

contestada

Solve the system of equations:
x+4y-z=6
2x+11y+4z=9
x+5y+z=5

Respuesta :

Medunno13 Medunno13

06-03-2022

Answer: x=1, y=1, z=-1

Step-by-step explanation:

From the first and 3rd equation, 2x+9y=11.

The first equation is also 4x+16y-4z=24, so add that to the second equation, and you get 6x+27y=33.

Solving, we get x=1 and y=1, meaning that z=-1.

Answer Link

Otras preguntas

Which of the following best describes the industrial revolution?A. fewer people living healthier, longer livesB. more rural communities, with closer ties to org

I need help please...

(98 POINTS) (PLEASE HURRY!)[1] x^2 - xy - x + y = [2] 1 - x - x^2 + x^3 =[3] xy + 1 + x + y = [4] x^2y + y^2x + x^2x + y^3 =

A beaufort wind scale is used to_____________. A) measure wind speed B) estimate wind direction C) measure wind direction D) estimate wind speed

Write the ordered pair that represents yz. Then find the magnitude of yz . y(-2,5),z(1,3)

Why is the power of judicial review important

The first life on Earth is commonly beleived to have originated 3.5 BYA (billion years ago), yet the rise of atmospheric Oxygen didn't take place until almost a

I need help please???

Three main skills used in basketball

Ash from a volcanic eruption decreases the amount of available solar energy for a region. How will a decrease in available sunlight most likely affect ecosystem