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Solve each system.$$\begin{aligned}x+y+z &=6 \\2 z+2 y+2 z &=9 \\3 x+3 y+3 z &=12\end{aligned}$$

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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 Texas at Austin

University of North Carolina at Chapel Hill

University of Michigan - Ann Arbor

Lectures

09:38

In mathematics, an absolut…

01:43

In mathematics, an equatio…

03:25

Solve each system.$$

05:21

Solve each system, if poss…

06:24

01:42

Solve each system.$$\b…

06:35

01:48

01:01

04:01

Solve each system.$\le…

01:59

02:35

Solve the system of equati…

it's this system. Immigration. Be back. Those wife was the people six too exposed to you. Why? Cause to Z was nine and three x plus three y +43 z equals 12. Um, and so you can see that use left. The left side of these equations are all similar, right? You can. I think that you could multiply them and eliminate. If you divide this third equation by three, you're gonna get X plus y for the people's four. You can see that you have excellent. Like Woolsey here on experts. Wife cozy here. But the equal two different numbers, which doesn't make sense. And that's when we know that there's no solution for the system of equations. Same thing here. If you divide this equation by two, you're gonna get 4.5 year. That doesn't make sex because we have six year

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In mathematics, an absolute value or modulus is the value of a number withou…

In mathematics, an equation is a statement that two mathematical expressions…

Solve each system.$$\left\{\begin{aligned} x-y+z &=3 \\ x+3 z &a…

Solve each system, if possible.$$\left\{\begin{array}{l}x+y+z=3 \\2 x+y+…

Solve each system.$$\left\{\begin{array}{l}3 y+z=-1 \\-x+2 z…

Solve each system.$$\begin{array}{r} x-2 y+3 z=5 \\ 2 x-4 y+6 z=3 \\ 2 x…

Solve each system.$$\left\{\begin{array}{l}2 x+6 y+3 z=9 \\5…

Solve each system.$$\begin{aligned} -2 x+y-3 z &=6 \\ 4 x-y+z &=…

Solve each system.$$\begin{array}{r}x-y+2 z=3 \\2 x+y-z=5 \\3 x-3 y+6 z=…

Solve each system.$\left\{\begin{aligned} 2 x+3 y+4 z &=-1 \\ x-2 y+…

Solve each system.$$\left\{\begin{array}{l}{x+2 y+z=4} \\ {3 x+6 y+3…

Solve the system of equations.$$\begin{aligned}x+y+z &=6 \\2…

00:18

Write out the answers to these questions. Use complete sentences.When is…

00:30

Determine whether each relation is a function. See Example 6.$$x-2=|…

00:46

Write each equation in standard form using only integers and a positive coef…

00:37

Solve each system by the substitution method.$$\begin{aligned}&y=2 x…

00:57

Find an equation of the line through each given pair of points. Give the ans…

00:53

Solve each system by substitution. Determine whether the equations are indep…

00:54

Find the greatest common factor for each group of terms.$$9 w x, 21 w y,…

00:48

Solve each system by the substitution method.$$\begin{aligned}&2 x-4…

Solve each equation.$$2.365 x+3.694=14.8095$$

01:17

Find the greatest common factor for each group of terms.$$48,36 x$$

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