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 is not a polyatomic ion

A student answers 80% of the questions on a math exam correctly. If she answers 48 questions correctly, how many questions are on the exam?

How long does Bankruptcy stay on your credit report?

Which statement best describes how the author develops the tone in this passage?

PLEASE HURRY I DONT HAVE MUCH TIME

How can the FCC provide help during a national or statewide emergency?

Which of the following is an example of an illustrative thesis statement that would be considered a literary criticism? Select one: a. Ursula K. LeGuin's Left H

Use the model to write the equation that represents the problem. I have one-half of a square and I want to divide it by one-eighth. How many pieces would I h

How were the battle of the Alamo and the battle of San Jancinto similar and how were they different?

Elmer learns the following facts about the sky in science class: The sky is blue because of the way the air scatters light from the Sun. The colors at sunset ar