In the evening, the temperature is 2828 degrees. By midnight it has dropped 3131 degrees lower. Between midnight and 4 am, it goes down 66 more degrees. Then, by 9 am, the temperature goes up 3030 degrees. Find the final temperature.
6x+5x-4=2x-8~~~First we simplify(add 6x and 5x) 11x-4=2x-8~~~Now add 4 to both sides +4 +4 11x=2x-4~~~~Remove 2x from both sides now. -2x -2x 9x=-4~~~~Now divide by 9x ÷9x ÷9x