Kawiana15 Kawiana15

02-09-2020
Mathematics

contestada

Solve the following system of equations using substitution:
2x - 2y + z = 8
-y+z=4
2z=4

Respuesta :

meredith48034 meredith48034

02-09-2020

Answer:

Step-by-step explanation:

2z = 4

z = 2

-y + 2 = 4

-y = 2

y = -2

2x + 4 + 2 = 8

2x + 6 = 8

2x = 2

x = 1

(1, -2, 2)

Answer Link

Otras preguntas

Which statement best expresses the theme of the short story?

If you were to deposit $1,000 into an account that paid 10 percent interest compounded semiannually, how much money would you have in the account one year from

When you move the decimal point, how can you know whether you are increasing or decreasing the number?

What is the value of x? Question + Anwsers to accept from are in picture!

I need help with this problem fast

balance the following equation by inspection: Cu + HNO3 --> Cu(NO3)2 + H2O +NO

questions. Part A When you finish writing your draft, review it and discuss how the information you read in the lesson helped you improve your research paper. F

Which statement about reaction rates is true? (A)Changing the temperature cannot speed up a reaction rate. (B)Changing the amount of reactants will not chang

Find all maxima and minima of the function given below. Use a horizontal span of -6 to 6. (Round your answers to two decimal places.) f(x) = 4x 4 + x2

what was the conflict in the story “the rabbits who caused all the trouble” ?