SOLUTION: Question: What is the x-coordinate in the solution of the system of equations 4x-5y=-3, 3x+y=-7? thanks for your help.

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Question 202234: Question: What is the x-coordinate in the solution of the system of equations 4x-5y=-3, 3x+y=-7? thanks for your help.
Answer by jojo14344(1513)   (Show Source): You can put this solution on YOUR website!


Given,

In , let us isolate "y":

--->
, , substitute in :




, cross multiply


, Answer

If we look the graph,
---> ;; See x coordinate of Point of Intersection = -2

Thank you,
Jojo

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