Y=2x+2 and 2y=4x+4 pasagot naman po pleas yung naka graphing paper po sana pleaseee

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid