document.write( "Question 114608: Solve the system by addition.\r
\n" ); document.write( "\n" ); document.write( " 3x – y = 1
\n" ); document.write( " 3x – y = 2
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Algebra.Com's Answer #83378 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
3X-Y=1 NOW MULTIPLY THE OTHER EQUATION BY -1 & ADD.
\n" ); document.write( "-(3X-Y=2)
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\n" ); document.write( "0X+0Y=-1
\n" ); document.write( "0=-1 NO SOLUTION BY ADDITION.
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