canigetsomeanswers canigetsomeanswers

25-03-2018
Mathematics

contestada

If a certain number is multiplied by five, the result is the same as twenty-one plus twice the original number. What is the value of the original number?

Respuesta :

vojtadanhel vojtadanhel

25-03-2018

7
7 times 5 = 35
21 + 14 (7*2) = 35

Answer Link

Aliraza Aliraza

25-03-2018

let the number be x

a.t.g.c
5x = 21+ 2x
5x-2x = 21
3x = 21

x = 21/3

x = 7 give me brainliest

Answer Link

Otras preguntas

Harold's old school has 52 sixth graders and 39 seventh graders, what's the ratio of 6th graders to 7th graders in simplest form? (:

What happened during the holocaust?

in relation to the earth's surface, explain where rock spend most of there time.

Explain two problems that Texans tried to solve after winning independence

How to show your work to solve 3r^2-16r-7=5

Nathan correctly answered 17 of the 20 questions on the test. What percent of the question did Nathan answer correctly?

a sporting goods store offers a 40% discount on all gulf clubs. rocco spent 20% of the money in his savings account on a golf putter. he paid $48 for the putter

When two fractions are between 0 and 1/2, how do you know which fraction is greater? Explain

How can you tell 7/10 is greater than 1/2

How are ice and water involved in mechanical weathering