document.write( "Question 453272: The differences between two numbers equals 11. Twice the smaller plus three times the larger number is 123. What are the numbers. \n" ); document.write( "
Algebra.Com's Answer #311455 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 1 x + -1 y = 11 .............1 \n" ); document.write( "3 x + 2 y = 123 .............2 \n" ); document.write( "Eliminate y \n" ); document.write( "multiply (1)by 2 \n" ); document.write( "Multiply (2) by 1 \n" ); document.write( "2x-2y=22 \n" ); document.write( "3x+2y=123 \n" ); document.write( "Add the two equations \n" ); document.write( "5x=145 \n" ); document.write( "/5 \n" ); document.write( "x=29 \n" ); document.write( "plug value of x in (1) \n" ); document.write( "x-y=11 \n" ); document.write( "29-y=11 \n" ); document.write( "-y=11-29 \n" ); document.write( "-1y=-18 \n" ); document.write( "y=18 \n" ); document.write( " \n" ); document.write( " |