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 are the functions of receptors in our body? Think of a situation where receptors do not work properly. What problems are likely to arise?

you have a standard deck of 52 cards. you pick one card and then, with out putting the first card back, you pick a second card. what is the probability that bot

how do you write 4540 million in standard form?

what's another word for over thinking?

Why is sodium sulphate hemihydrate called as "Plaster of Paris"?

you have a standard deck of 52 cards. you pick one card and then, with out putting the first card back, you pick a second card. what is the probability that bot

What are the functions of receptors in our body? Think of a situation where receptors do not work properly. What problems are likely to arise?

in the number 13,407.036 there are two 3's. Explain how the values of the 3's are related.

what's another word for over thinking?

in the number 13,407.036 there are two 3's. Explain how the values of the 3's are related.