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

70-q-q-2q=80 We'll this is confusing

Identify two ways of changing the strength of an electric force

what role did sectionalism play in Lincoln's winning the 1860 election?

which areas were obtained after the revolutionary war?

At the start of "The Necklace," why does Mathilde's husband go through "great trouble" to get an invitation to the ball?

Someone please help me : evaluate 3st to the second power + 2s if s=5 and t=3??

Solve the simultaneous equations 2x+3y=-3 3x-2y=28

could you tell me what is an embryo?

What's the formula to perimeter

The sum of two numbers is 44.The larger number is 20 more than the smaller number. What are the numbers?