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Solve each system of equations.$$\begin{aligned}x+y-z &=4 \\y &=6 \\y+z &=13\end{aligned}$$

$\{(5,6,7)\}$

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

Johns Hopkins University

University of Washington

Oregon State University

Lectures

09:38

In mathematics, an absolut…

01:43

In mathematics, an equatio…

02:53

Solve each system of equat…

01:40

07:21

03:57

02:24

Solve the system of equati…

05:50

Solve each system of linea…

02:11

06:38

Solve each system.$$

01:59

it's this question given X plus y minus. See people's four. Why equal six? And why? Because of the close 13. So again, we're given right off the bat. The Weigel six. So now you wanna plug this into one of these equations to find others ear acts. And if we use this first equation, we're still gonna have to variables in it, so we won't actually use the second equation. So we're gonna have why? Which we know six Z equals 13. See, he's getting people seven. And now we use that first equation X plus y, which we know six Rosie with during our seven equals four X equals four minus 13. Thanks. Uh, it's gonna be cool. Negative knife. So now I have answer Way could write it as an order triple if we want Negative nine Kama 13 comma seven. Misrepresent the point on that three to my

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