document.write( "Question 449441: solve by using elimiation/addtion \r
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document.write( "2m - 5n = 13
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document.write( "5m + 3n = 17 \r
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document.write( "show steps \n" );
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Algebra.Com's Answer #309209 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 2 m -5 n = 13 .............1 \n" ); document.write( "5 m + 3 n = 17 .............2 \n" ); document.write( "Eliminate y \n" ); document.write( "multiply (1)by 3 \n" ); document.write( "Multiply (2) by 5 \n" ); document.write( "6 m -15 n = 39 \n" ); document.write( "25 m 15 n = 85 \n" ); document.write( "Add the two equations \n" ); document.write( "31 m = 124 \n" ); document.write( "/ 31 \n" ); document.write( "m = 4.00 \n" ); document.write( "plug value of m in (1) \n" ); document.write( "2 m + -5 n = 13 \n" ); document.write( "8 + -5 n = 13 \n" ); document.write( " -5 n = 13 -8 \n" ); document.write( " -5 n = 5 \n" ); document.write( " n = -1.00 \n" ); document.write( " \n" ); document.write( " |