document.write( "Question 1034901: Five times a number plus eight equals 28 \n" ); document.write( "
Algebra.Com's Answer #649532 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! \"Five times a number plus eight equals 28\" means 5*x+8 = 28 where x is the unknown number.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "----------------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let's solve for x.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5*x+8 = 28\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5*x+8-8 = 28-8 Subtract 8 from both sides (to undo the +8)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5*x+0 = 20\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5*x = 20\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5*x/5 = 20/5 Divide both sides by 5 (to undo the multiplication of 5)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "1*x/1 = 4\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "1*x = 4\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "----------------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So to wrap things up, the original sentence translates to the equation 5*x+8 = 28\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "When we solve 5*x+8 = 28 for x, we get x = 4.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the unknown number is 4. \n" ); document.write( " |