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How do we solve systems of equations with three unknowns an

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Mustapha Benaoui

on 15 November 2013

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Transcript of How do we solve systems of equations with three unknowns an

How do we solve systems of equations with three unknowns and three equations?
Second step

Example

Example:
Solve for the three unknowns x, y, and z
2x+3y+3z=2
10x-6y+3z=0
4x-3y-6z=2
Step 1 Label all the three equations
(1) 2x+3y+3z=2
(2) 10x-6y+3z=0
(3) 4x-3y-6z=2

Find opposite coefficients for addition or same coefficients for subtraction
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