document.write( "Question 872617: Solve the system of equations using elimination by addition or by augmented matrix methods (your choice).
\n" ); document.write( "3x + y = −1
\n" ); document.write( "6x + 4y = 2\r
\n" ); document.write( "\n" ); document.write( "Would you kindly include the solution? Thanks.
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Algebra.Com's Answer #526258 by josgarithmetic(39623)\"\" \"About 
You can put this solution on YOUR website!
I hope you are comfortable with nonaugmented matrix:\r
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\n" ); document.write( "\n" ); document.write( "y=2 and x=-1
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