document.write( "Question 660405: The sum of two numbers is 128. The greater number is 7 less than twice the smaller number. Find the numbers. \n" ); document.write( "
Algebra.Com's Answer #411197 by ReadingBoosters(3246) ![]() You can put this solution on YOUR website! x = greater number \n" ); document.write( "y = smaller number\r \n" ); document.write( "\n" ); document.write( "x + y = 128 \n" ); document.write( "x = 2y - 7\r \n" ); document.write( "\n" ); document.write( "2y - 7 + y = 128 \n" ); document.write( "Combine like terms \n" ); document.write( "3y - 7 = 128 \n" ); document.write( "3y - 7 + 7 = 128 + 7 \n" ); document.write( "3y = 135 \n" ); document.write( "3y/3 = 135/3 \n" ); document.write( "y = 45\r \n" ); document.write( "\n" ); document.write( "x = 2(45)-7 \n" ); document.write( "x = 90-7 \n" ); document.write( "x = 83\r \n" ); document.write( "\n" ); document.write( "Proof \n" ); document.write( "83 + 45 = 128 \n" ); document.write( " |