# 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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