SOLUTION: . Solve the following system by substitution. 4x – 12y = 5 -x + 3y = -1

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Question 36734: . Solve the following system by substitution.
4x – 12y = 5
-x + 3y = -1

Answer by Cintchr(481)   (Show Source): You can put this solution on YOUR website!


solve the second one for x

multiply through by -1

Substitute this into the first equation


Distribute

Combine like terms

This is false so there is NO soulution. In otherwords these two lines are parallel to one another.

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