Kawiana15
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 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 explorer sailed for france?
Differences between DNA and RNA include which of the following? (1) RNA consists of one nucleotide chain. (2) RNA contains the nitrogen base uracil instead of t
How many miles can you get on one tank of gas if your tank holds 18 gallons and you get 22 miles per gallon?
The significance of the Open Door Policy for the United States lay in its (A) providing a use for the Philippines as a way station between China and the United
Why were people from Africa brought to Georgia?
Why does Louis XIV want to expand France's border?
3x+y=4 2x+y=5 solve using linear combination
Which of the allies suffered the greatest losses on D-Day
What are abiotic factors of the enviroment lynx
Why were people from Africa brought to Georgia?