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

This table shows a proportional relationship between the number of cups of lemonade and strawberry juice used for strawberry lemonade. Cups of Lemonade Cups of

Need help asap. Alebra 1 Thanks so much to whoever answers

2) Imagine yourself as a policymaker in the Government sector of Pakistan. As a young, energetic leader, how would you address potential consequences of having

Jean drove 64 miles per hour for a total of 448 miles on a trip. She used the equation below to calculate the time, t, it would take her to complete the trip.

There are 5 birch trees in each row at the nursery. There are 9 rows of birch trees. How many birch trees are in the nursery?

PLEASE HELP ME WITH THIS

write an ionic equation for the reaction of nitric v acid and solid carbonate

find the value ,when 17 more than - 6

d. For every 24 lb of body mass, a gorilla will eat 4 lb of food each day. If a gorilla eats 40 lb of food in a day, how much does it weigh? HELP ME

In the story The cask of Amontillado what makes the story suspenseful?