document.write( "Question 114608: Solve the system by addition.\r
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document.write( " 3x – y = 1
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document.write( " 3x – y = 2
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Algebra.Com's Answer #83378 by checkley71(8403)![]() ![]() ![]() 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) \n" ); document.write( "-------------------------------------- \n" ); document.write( "0X+0Y=-1 \n" ); document.write( "0=-1 NO SOLUTION BY ADDITION. \n" ); document.write( "--------------------------------------\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |