hotboikylexd hotboikylexd

05-04-2020
Mathematics

contestada

Seven times a number plus the sum of three and twice a number is 30.

Respuesta :

07alexpm 07alexpm

05-04-2020

Answer:

A number is 3

Step-by-step explanation:

x*7+(3+x*2)=30

9x+3=30

9x=27

x=3

Answer Link

18-01-2022

Answer:

n=3

Step-by-step explanation:

7n+2n+3=30;n=3

Answer Link

Otras preguntas

what is the value of the expression 8 to the -2nd power? a. –16 b. 1/64 c. 1/16 d. 64

when resources are used to write an essay, this needs to be place at the end in order to avoid plagiarism

write 171 miles in 3 hours as a unit rate

Question 1.Which was a cause of the French Revolution? The French king did not want to support the American Revolution. Napoleon had invaded France and intended

luster can be thought of as a. how hard a metal is. b. how light a metal is. c. how shiny a metal is.

a particular plant root grows 3.5 inches per month. how many centimeters is the plant root growing per month? (1 inch = 2.54 centimeters). 0.73 centimeters 1.38

1/3(1−1/4)exponent 2

which of the following best describes the main difference between a sea and ocean? a. a sea has no salt b. an ocean is surrounded by land c. a sea is surrounded

Because the Cold War relied so much on intelligence gathering and covert military actions, leaders often felt the need to conceal information from Congress and

what type of measurement would you use to describe the amount of water a pot can hold