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

Write any two differences between series combination and parallel combination of cells.​
(1 point) A hot air balloon is launched from the ocean beach. As it moves inland, it rises and then falls, having a path given by p(x)= - 2x^2/2500 +0.7x where
What is a worldview? Define what the term “worldview” means. Use descriptive phrases to support your definition. Use and cite content from at least one or two s
this is due tomorrow at 8 pls help
Please answer, thanks!​
 victor's monster likely symbolizes the: A). Joy of bringing new life into the world B). Danger of scientific enlightenment and playing God C). Idea that hum
College algebra chapter 3
Did Jefferson believe in a strong or a weak central government's
How can report writers decide what type of graphic to use in a report?
The speed of the jet Alyssa flew on from Boston to London was 480 mph. on her return flight, the speed of the jet was 600mph with a tail wind. What was Alyssa's