document.write( "Question 1024610: System of Linear Equation Word Problem : the sum of two numbers 111 and their difference is 45. \n" ); document.write( "
Algebra.Com's Answer #640001 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! I make the initial condition x > y \n" ); document.write( ": \n" ); document.write( "x + y = 111 \n" ); document.write( "x - y = 45 \n" ); document.write( ": \n" ); document.write( "solve second equation for x \n" ); document.write( ": \n" ); document.write( "x = y + 45 \n" ); document.write( ": \n" ); document.write( "substitute for x in first equation \n" ); document.write( ": \n" ); document.write( "y+45 +y = 111 \n" ); document.write( "2y = 66 \n" ); document.write( ": \n" ); document.write( "****************** \n" ); document.write( "y = 33 and x = 78 \n" ); document.write( "****************** \n" ); document.write( " \n" ); document.write( " |