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Solve each system.$$\begin{aligned}&x+y-z=2\\&x+y+z=8\\&x+y-z=6\end{aligned}$$

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Algebra

Algebra 2

Chapter 4

Systems of Linear Equations

Section 3

Systems of Linear Equations in Three Variables

Polynomials

Systems of Equations and Inequalities

Introduction to Algebra

Graph Linear Functions

Write Linear Equations

Linear Equations and Functions

Matrices and Determinants

University of Washington

Michigan State University

Oregon State University

University of Michigan - Ann Arbor

Lectures

09:38

In mathematics, an absolut…

01:43

In mathematics, an equatio…

01:37

Solve each system.$$

04:54

Solve each system of equat…

03:26

Solve each system. $$<…

02:24

Solve each system.$$\b…

01:46

03:00

Solve the system of equati…

03:16

03:34

03:03

Solve the system by using …

it's a theory of X plus. Why, minus he was too explosive. Y plus z equal eat and X plus y minus Z equals six. We even notice here. Is these the first equation here in this third equation have the same exact left side, right? It's X plus Y minus Z, except for the equal. Two different numbers. We know this can never be the case. They're never You could never have a combination of x, y and Z that equal to different numbers. That doesn't make any sense, right? Because what happens is if you set these equations equal to each other, right, you've X y z X y z you're gonna get to equal six, which obviously does make sense.

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