document.write( "Question 185057This question is from textbook Algebra - Structure and Method - book 1
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document.write( ": The sum of two numbers is 25 and their difference is 7. Find the numbers. \n" );
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Algebra.Com's Answer #138904 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! x+y=25 \n" ); document.write( "x-y=7 \n" ); document.write( "--------------- \n" ); document.write( "2x=32 \n" ); document.write( "x=32/2 \n" ); document.write( "x=16 ans \n" ); document.write( "16+y=25 \n" ); document.write( "y=25-16 \n" ); document.write( "y=9 ans. \n" ); document.write( "Proof: \n" ); document.write( "16-9=7 \n" ); document.write( "7=7 \n" ); document.write( " \n" ); document.write( " |