document.write( "Question 901240: I'm kind of confused how to solve by elimination. Can someone help me?
\n" ); document.write( "3x+4y=-1
\n" ); document.write( "-9x-4y=13
\n" ); document.write( "

Algebra.Com's Answer #546592 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
Original System
\n" ); document.write( "3x+4y=-1
\n" ); document.write( "-9x-4y=13\r
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\n" ); document.write( "\n" ); document.write( "3(3x+4y)=3(-1)
\n" ); document.write( "-9x-4y=13
\n" ); document.write( "ADD.
\n" ); document.write( "Solve y.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "3x+4y=-1
\n" ); document.write( "-9x-4y=13
\n" ); document.write( "ADD.
\n" ); document.write( "Solve x.
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