Sole the equation 2ax-b=cx+d for x

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?

Two consecutive negative integers have a product of 30. what are the integers?