document.write( "Question 30300: The sum of two numbers is 111 and their difference is 63. What are the two numbers?\r
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document.write( "a + b = 111
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document.write( "a = 111-b\r
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document.write( "a - b = 63\r
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document.write( "I can't figure out how to solve. \n" );
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Algebra.Com's Answer #16964 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! A+B=111 \n" ); document.write( "A-B=63 \n" ); document.write( "THEREFORE A=B+63 SUBSTITUTING A=B+63 IN THE FIRST EQUATION WE GET \n" ); document.write( "B+63+B=111 OR 2B+63=111 OR 2B=111-63 OR 2B=48 THEREFORE B=24 & A+24=111 OR \n" ); document.write( "A=111-24 OR A=87 AND 87-24=63. \n" ); document.write( " |