document.write( "Question 785516: The sum of three numbers is 119. The second number is 8 less than the first, and the third is 4 more than the first. What is the First Number? \n" ); document.write( "
Algebra.Com's Answer #806193 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! x + y + z = 119 \n" ); document.write( "y = x - 8 \n" ); document.write( "z = x + 4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Write everything in terms of x, the first number.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x + y + z = 119 \n" ); document.write( "x + (x - 8) + (x + 4) = 119 \n" ); document.write( "3x - 4 = 119 \n" ); document.write( "3x = 123 \n" ); document.write( "x = 41 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The first number is 41. \n" ); document.write( " |