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

A 75 kg skydiver can be modeled as a rectangular "box" with dimensions 20 cm * 40 cm * 180 cm. what is his terminal speed if he falls feet first? use 0.8 for th

Explanation for question i & ii. Thank you.

I’m confused on this one

Question 1(Multiple Choice Worth 5 points) Why was Otto von Bismarck nicknamed the "Blood and Iron Chancellor"? He rejected war in favor of diplomatic solution

I need help with this question?

Urban outsiders has a building that originally cost $390,000. the company expects to be able to sell the facility for $258,000 at the end of its useful life. th

Anyone understand algebra 1

What is the scientific method? a body of knowledge that applies to living things a method of writing testable questions a process for investigation and experime

Find the area of an octagon with a radius of 6 meters

Parallelogram FGHI on the coordinate plane below represents the drawing of a horse trail through a local park: In order to build a scale model of the trail, th