document.write( "Question 1031269: The sum of two numbers is 43. Their difference is 23. Find the numbers. \n" ); document.write( "
Algebra.Com's Answer #646019 by Bakr.R(8)![]() ![]() You can put this solution on YOUR website! Let each number be x and y. \n" ); document.write( "number 1 ----> x \n" ); document.write( "number 2 ----> y\r \n" ); document.write( "\n" ); document.write( "From the question we can deduce that: \n" ); document.write( "x+y=43 \n" ); document.write( "x-y=23\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "We have a simultaneous equation, we now minus or add the (based on the quantity of y and x) equations and solve for the unknown.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x+y=43 \n" ); document.write( "x-y=23 \n" ); document.write( "------- \n" ); document.write( "2x=66 \n" ); document.write( "------- \n" ); document.write( "x=33\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "and now, we substitute the value of x into the original equation to find y\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x+y=43 \n" ); document.write( "------- \n" ); document.write( "33+y=43 \n" ); document.write( "------- \n" ); document.write( "y=10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The numbers are 33 and 10 \n" ); document.write( " |