# Solve three linear equations

There are also many YouTube videos that can show you how to Solve three linear equations. Reliable Support
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## Solving linear systems with 3 variables (video)

Substitute z = 3 into equation (1). Substitute x = 4 and z = 3 into equation (2). Use the original equations to check the solution (the check is left to you). The solution is x = 4, y = –2, z = 3.

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## Solutions Using Elimination with Three Variables

Solve by using Cramer's rule \begin{aligned} -x + \frac{2}{3}y - 2z & = 2 \\[2ex] 5x + 7y - 5z & = 6 \\[2ex] \frac{1}{4}x + y - \frac{1}{2}z & = 2 \end{aligned} About Cramer's rule This calculator

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## Solving 3 Equations with 3 Unknowns

\frac{3}{4}x+\frac{5}{6}=5x-\frac{125}{3} \sqrt{2}x-\sqrt{3}=\sqrt{5} 7y+5-3y+1=2y+2 \frac{x}{3}+\frac{x}{2}=10

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## Solving Systems of Equations With 3 Variables & Word

The equations solver tool provided in this section can be used to solve the system of linear equations with three unknowns. Enter the coefficients of x, y and z. x + y + z = x + y + z = x + y +

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## Systems of Three Equations: Solving by Addition

If a system of three linear equations has solutions, each solution will consist of one value for each variable. If the three equations in such a linear system are “independent of one ## Online Systems of Equations Solver

Example 1: Solve the following linear equations by the substitution method. 3x + y = 13 -----

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