text: let\n\n3x + 7 = 7 more than three times a number\n\n52 = Total\n\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\n3x + 7 = 52\n\n3x + 7 - 7 = 52 - 7\n\n3x = 45\n\n3x/3 = 45/3\n\nx = 15\n\nThe answser is x = 15\n\nInsert the x value into the equation\n\n- - - - - - - - - - - - - - - - - - - - - - - -\n\nCheck\n\n3x + 7 = 52\n\n3(15) + 7 = 52\n\n45 + 7 = 52\n\n52 = 52\n\n- - - - - - -s-