mirandacorbin1219
mirandacorbin1219 mirandacorbin1219
  • 02-09-2021
  • Mathematics
contestada

7. Seven times a number is equal to 12 more than 3 times the number.

Respuesta :

sah4519985
sah4519985 sah4519985
  • 02-09-2021

Answer:

7n = 12+ 3n

Step-by-step explanation:

The first thing to do is subtract 3n from 7n. This would get you 4n = 12. 4 times 3 equals 12, so n equals 3.

To check your answer. 21 = 12+9. sure enough it matches our answer

Answer Link

Otras preguntas

Which of the following is not a type of mass movement that results from the force of gravity? A Creep B Mudflow C Landslide D Deflation
The moon outside is very large, but you cannot see all of it. The calendar shows that the moon was invisible just less than two weeks ago. What phase is the moo
What times what equals 63
Which type of weather is most likely produced by a warm front? A. light to moderate precipitation B. moderate to heavy precipitation C. heavy precipitation and
How did the big dipper get it's name?
When did Charles X become king of France?
Which describes the Anasazi or ancestral Pueblo Indians of the Southwest? A. lived in cliffside caves or adobe dwellings B. lived near the water and celebrated
Micah is thinking of a two digit number. it is a multiple of 6 and 12. is a factor of 108. the sum of its digits is 9. what number is Micah thinking of
simplify : 70e - 20e=
What is 0.78 divided by 3.51??? (Decimals)