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Solving Systems of Equations

Solving Systems of Equations - one of the letters(unknowns...

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Solving Systems of Equations (Simultaneous Equations) If you have two different equations with the same two unknowns in each, you can solve for both  unknowns. There are three common methods for solving: addition/subtraction, substitution, and  graphing. Addition/subtraction method This method is also known as the elimination method. To use the addition/subtraction method, do the following:  1. Multiply one or both equations by some number(s) to make the number in front of 
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Unformatted text preview: one of the letters (unknowns) the same or exactly the opposite in each equation. 2. Add or subtract the two equations to eliminate one letter. 3. Solve for the remaining unknown. 4. Solve for the other unknown by inserting the value of the unknown found in one of the original equations....
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