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

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

what is value of digit 4 in 1.848 meters in decimal and fraction

WHO WERE THE "MOUND BUILDERS OF THE Mississippi River VALLEY"?

Which term describes the example below?A child with no freckles has a mother who has freckles and is heterozygous and a father who has no freckles and is homozy

What are these fractions in simplest form? ( when I do a / it means a "fraction bar" or " over" like 16/30 or 16 over 30, just incase any of you get confused)

The lowest common multiple of 45 and 66.

Menes, the first Egyptian Pharaoh, is known for all of the following reasons EXCEPT: a. uniting the Upper and Lower Kingdoms c. being the founder of the first E

Why does photosynthesis require water? a. because water provides oxygen atoms b. because water provides electrons c. because water accepts electrons d. because

F(x)=13x-14 Find the domain of f(x)

Unscramble the word bssmyale

What does each of the facts shown above tell you about the element on the periodic table