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 two words or phrases indicate a cause and effect relationship? first of all likewise for this reason before because

Evaluate: 108/3(9+3^2)

Which of the following is a solution to the system shown below? y = 3x 2 - 8x - 2 and 2x - y = 5

Evaluate the expression (10 + 4) x 7 - 45 dividend by 9

Car mass of 1167 kg accelerates on a flat highway from 10.0 m/s to 28.0 m/s. how much work does thr car's engine do on the car ?

What does the prefix a mean in the word around?

Who has the shortest role in romeo and juliet?

What is the surface area of the cone.? Slant height:12mm Radius:3mm

What volume would 2.25 moles of Ne gas occupy at STP?

Question 1 of 5 an impact injury to the skull that results in the brain striking one area of the skull and rebounding in the opposite direction is known as ____