document.write( "Question 296177: 9m+n=33
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document.write( "m-4n=16\r
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document.write( "please help me solve by the elimination method. \n" );
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Algebra.Com's Answer #213491 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 9m+n=33 \n" ); document.write( "m-4n=16 \n" ); document.write( "-------------- \n" ); document.write( "Multiply thru the 1st equation by 4. \n" ); document.write( "36m + 4n = 4*33 \n" ); document.write( "m - 4n = 16 \n" ); document.write( "------------------ \n" ); document.write( "Add and solve for \"m\": \n" ); document.write( "37m = 4*33+16 \n" ); document.write( "m = 4 \n" ); document.write( "---------- \n" ); document.write( "Substitute for \"m\" in m-4n=16 and solve for \"n\": \n" ); document.write( "4 - 4n = 16 \n" ); document.write( "-4n = 12 \n" ); document.write( "n = -3 \n" ); document.write( "============ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( " |