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

What form is energy in when it enters a food chain and when it leaves a food chain?

dietician asks a patient about the food that the patient eats and makes the table below to summarize the results. Macromolecule Suggested percentage of diet A

Maria had $24.60 to spend on three pencils. After buying them she had $14.46. How much did each pencil cost

who was the first and 16th president

From 1754 to 1763, for example, British forces waged an extremely expensive conflict in North America known as the ___________ ____ __________ ______.

Which concept is demonstrated by a decrease in dull coloring? A. speciation B. biodiversity C. natural selection D. variation

What was not a cause of the European enlightenment? A.the Protestant b. The scientific revolution C. Secular humanism D. The monastic movement

Solve for t. −35=7t What is the answer?

Subjects with a serious illness may be at risk for exploitation since they may be desperate for a possible cure. this is an example of

Guys I need the answers to number 16