yasminriveramendez16 yasminriveramendez16

02-11-2020
Mathematics

contestada

Five times a number is the same as two times a number added 21

Respuesta :

horses96 horses96

02-11-2020

Answer:

Our number is 7.

Step-by-step explanation:

We also know that it's 2x + 21 = 5x.

Now we solve.

21 = 5x - 2x

21 = 3x

7 = x

Answer Link

Otras preguntas

explain how to order a set of real numbers

Why are Americans considered to be an “ideologically homogeneous” people?

1. What was the Munich conference? Why did the French and British give into Hitler's demands?

Which statement accurately describes the homestead act of 1862?

The ratio of boys to girls in the 9th grade is 5 to 6. There are 312 girls. How many boys are there?

Keisha's parents want to save twenty thousand dollars in her college savings account over the next fifteen years. They have eight thousand dollars to use as an

The state of matter that keeps its shape and volume when it is placed in a different container

Factor each completely? A2-7a-18

Tim can type 30 words in 34 of a minute. Justin can type 32 words in 45 of a minute.How many words can Tim and Justin type altogether in 5 minutes

sixteen action figures are arranged equally on 2 shelves. How many action figures are on each shelf?Model the problem with both an array and a labeled tape diag