How do i solve this math problem step by step (-x/2-7=9) using 2-step equations?

48-5+-2x-27 simplify

Jonah weighs twice as much as Zack. Write an expression to represent this situation.

1. The area of a square game board is 144 sq. in. What's the length of the sides of the board?

Jeremy swims 5 3/5 kilometers in a 7 day period. He swims the same distance each day. What distance does he swim?

How do you solve algebra problems with decimals and fraction just like 543.2=x+17.3 and 25=3/4x+16

On Saturday, five members of an ecology club repaired the trail in a nature preserve. The mean number of hours that the club members worked is 7 hours. The hours that 4 members worked is 6, 7, 10, and 8.

Mark bought 29 gummy worms at the candy store. His friend Camille also bought some gummy worms. When they counted all of them together, Mark and Camille had 78 gummy worms. Which equation, when solved, will show how many gummy worms Camille bought?

Rosen 15 how many solutions are there to the equation x1 x2 x3 x4 x5

An airplane is descending at a rate of - 150 feet per minute. What is the change in altitude after 15 minutes?

Bill is depositing money into a money market account. Let y represent the total amount of money in the account (in dollars). Let x represente the number of weeks bill has been depositing money into his account.