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

explain how the governments of two different countries are similar and different. Use at least two of the following terms : autocray, oligarchy, decmocracy, uni

Group of representatives who wrote a letter to king George

I just need some basic facts about john green, thanks xxx

What is the coefficient in this expression? 17 + 5a

Which of the following required all states to return fugitive slaves to their owners? a) the great compromise b) the Connecticut compromise c) the three-fift

what is the lim of (((1/x)-(1/2))/x-2) , as x approaches 2

which is greater 1/5 or 1/9

What did Samuel Adams take a stand for?

3. Mauro has 140 ft of rope. He will cut it into two pieces so that the length of the longer piece is 3 times the length of the shorter piece. What will the len

Explain how the first three steps of scientific inquiry are related..