document.write( "Question 64290This question is from textbook Algebra
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document.write( ": hi!
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document.write( "could you help me with this word problem.\r
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document.write( "thanks. \r
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document.write( "the sum of two numbers is 15. three times one of the numbers is 11 less than five times the other. find the number. \n" );
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Algebra.Com's Answer #44925 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! X+Y=15 OR X=15-Y \n" ); document.write( "3X=5Y-11 SUBSTITUTING (15-Y) FOR X WE GET \n" ); document.write( "3(15-Y)=5Y-11 \n" ); document.write( "45-3Y=5Y-11 \n" ); document.write( "-3Y-5Y=-11-45 \n" ); document.write( "-8Y=-56 \n" ); document.write( "Y=-56/-8 \n" ); document.write( "Y=7 SOLUTION \n" ); document.write( "THEN X=15-7 \n" ); document.write( "X=8 SOLUTION \n" ); document.write( "PROOF \n" ); document.write( "3*8=5*7-11 \n" ); document.write( "24=35-11 \n" ); document.write( "24=24 \n" ); document.write( " \n" ); document.write( " |