document.write( "Question 910319: Solve the system
\n" ); document.write( "x+2y=0
\n" ); document.write( "3x-y=3\r
\n" ); document.write( "\n" ); document.write( "This is what I did, but I am unsure if it is correct so far:
\n" ); document.write( "x+2y=0
\n" ); document.write( " -2y -2y
\n" ); document.write( "x=-2y\r
\n" ); document.write( "\n" ); document.write( "3(-2y)-y=3
\n" ); document.write( "-6y-y=3
\n" ); document.write( "-7y=3
\n" ); document.write( "y=3/-7
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Algebra.Com's Answer #552413 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Spot on, so far. Now all that is necessary is to substitute back into either one of the original equations and solve for . You will have easier arithmetic if you use the first one, but, given correct arithmetic, you get the same answer either way.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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