ruth222 ruth222
  • 17-09-2020
  • Mathematics
contestada

x+y+z=1
2x+4y+2z=-6
-X+9y-3z=-49
How can I solve this system of equations?

Respuesta :

meredith48034
meredith48034 meredith48034
  • 18-09-2020

Answer:

Step-by-step explanation:

x + y + z = 1

-x + 9y - 3z = -49

10y - 2z = -48

2x + 4y + 2z = -6

-2x + 18y - 6z= -98

22y - 4z = -104

-20y + 4z = 96

2y = -8

y = -4

10(-4) - 2z = -48

-40 - 2z = -48

-2z = -8

z = 4

x - 4 + 4 = 1

x = 1

x = 1, y = -4, z = 4

Answer Link

Otras preguntas

Why is 2 the correct answer???!!! I’m horrible at science. HELP ASAP!!!!!
Patrik rotated the pentagon about its center. What degree measure could he have rotated the pentagon so that is mapped onto itself? A.108 B.180 C.288 D.540
Michelle is terrified of spiders when she found one in the bathroom, she panicked, refusing to shower for three days.
Our teacher has waited so patiently for our report but we have not submitted it yet which underlined word functions as a coordinating conjunction in the sentenc
How does Douglass show that learning to read was like learning to think?
Brian works 40 hours a week. He spends 40% of his time helping customers, 13% doing paperwork, and the remainder performing other store tasks. What percentage o
Which formula below is the correct combination when nitrogen and hydrogen bond covalently? A. N3H B. NH3 C. NH2 D. NH
Which of the following was the largest Western African empire
Conservation of energy
Why might a journalist use a pullquote? A: to get the reader's attention B: to highlight an interesting quote C: to fill space D: all of the above