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Substitution and Addition

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Elementary algebra. See the attached
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1. Solve 3y - x =0
x-4y =-2
2. Solve by substitution method
3x-6y=5
2y=4x-6

3. Solve by addition
2x=2-y
3x+y=-1

4. Solve by addition. Determine whether equation is dependent, independent or consistent
-3x+2y=8
3x+2y=8

5. Solve by addition method
3/7x +5/9y=27

6.Solve by substitution or addition
2y-x =3
X=3y-5

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Solution Summary

This solution provides several explanations of how to solve for two variables using substitution and addition.

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