SOLUTION: find the value of x in the system of equation {2x-7y=8 { x-4y=3

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Question 413904: find the value of x in the system of equation {2x-7y=8
{ x-4y=3

Answer by jjordan95(63)   (Show Source): You can put this solution on YOUR website!
You can solve this with elimination quite easily.


Multiply your second equation by negative 2, and add the systems.
+ * =
+ =
=
Plug y=2 back into either equation to solve for x.



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There are many other methods for solving this, but hopefully this helps. I have also provided another method below.
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Solved by pluggable solver: Linear System solver (using determinant)
Solve:


Any system of equations:


has solution

or



(x=11, y=2}

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