What is this equation -3 +9 +-3

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

Plz. yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?