SOLUTION: 1. What is the point of intersection of 2x+y=5 and x-3y=7? This is what I have so far: 5+7=12 3x/3=12/3=4 4-3y=7 =

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Question 1020507: 1. What is the point of intersection of 2x+y=5 and x-3y=7?
This is what I have so far:
5+7=12
3x/3=12/3=4
4-3y=7
=

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
I'm not sure what you've done so far.
Use eq. 1 to get an expression for y and substitute into eq. 2,


Substituting,




Then use either equation to solve for y.



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Graphical confirmation of the solution.
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