# Solving systems of equations with 3 variables

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## Systems of Three Equations: Solving by Addition

Extract the coefficient, x, y and z matrices from the systems of equations. Find the determinant of each 3 x 3 matrix. Divide the determinant of the x, y and z matrices with the coefficient matrix Deal with mathematic equations

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## 3 Systems of Equations Calculator + Online Solver With Free

Use elimination to solve the following system of three variable equations. A) 4x + 2y – 2z = 10 B) 2x + 8y + 4z = 32 C) 30x + 12y – 4z = 24 Solution Problem 2 Use elimination to solve the following system of three variable equations. A) x - y + z = -1 B) x + y + z = 3 C) 4x + 2y + z = 8 Prev Next Prev Next Problem 3

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## Solve Systems of Equations with Three Variables

Solve this system. And once again, we have three equations with three unknowns. So this is essentially trying to figure out where three different planes would intersect in three dimensions. And to do this, if

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## Systems of Three Equations Elimination

Interchange equation (2) and equation (3) so that the two equations with three variables will line up. Step 2. Multiply equation (1) by and add to equation (2). Write the result
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SOLVE A SYSTEM OF LINEAR EQUATIONS WITH THREE VARIABLES. Write the equations in standard form If any coefficients are fractions, clear them. Eliminate the same

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