angie096731 angie096731

02-11-2016
Mathematics

contestada

How do I solve this linear equation?
21+x=30

Respuesta :

ramenmcdonald ramenmcdonald

02-11-2016

21+x=30

30-21 is 8

x=8

Answer Link

1mathwhiz 1mathwhiz

02-11-2016

simple 30 -21 gives you 9 then 9 +21 gives you 30 that means x =9

Answer Link

Otras preguntas

Eden just bought a trough in the shape of a rectangular prism for her horses. She needs to know what volume of water to add to the trough. She knows that the he

which action by researchers using human subjects demonstrates a commitment to ethical research practices having a neutral third-party review board evaluate the

What are significant figures?

Denise has been retired for 12 years and is 72 years old. She is having a conversation with her daughter, discussing plans to do different things with each of h

My son graduated and we no longer need this service. however, since we have not used it in a couple years we forgot names/passwords. how do we cancel and stop b

find the product (t - sa) (9t + 6sa)

Lactose intolerance a. arises from inability to metabolize the disaccharide lactose b. depends on a deficiency of sucrose in the diet c. is based on the composi

select all correct answers What was the final ruling in Obergefell v. Hodges? a. All states must recognize same-sex marriage. b. Churches must permit same-sex w

After allowing phages grown with bacteria in a medium that contained 32P and 35S, Hershey and Chase used a centrifuge to separate the phage ghosts from the infe

WILL GIVE BRAINLIEST IF YOU HELP MEE