document.write( "Question 209171: 3x-4y=-9
\n" ); document.write( "-x-4y=-13 \n" ); document.write( "
Algebra.Com's Answer #158140 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
3x-4y=-9
\n" ); document.write( "-x-4y=-13
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\n" ); document.write( "Subtract the 2nd equation from the 1st to solve for \"x\":
\n" ); document.write( "4x = 4
\n" ); document.write( "x = 1
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\n" ); document.write( "Substitute into 3x-4y=-9 to solve for \"y\":
\n" ); document.write( "3*1 - 4y = -9
\n" ); document.write( "4y = 12
\n" ); document.write( "y = 3
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "Reply to stanbon@comcast.net or algebra.com
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