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

Billy drops a water ballon from the roof of his house. Since the balloon began with an original velocity of zero, how far above the ground was the balloon dropp

How did Voltaire feel about censorship ?

Given the function f(x) = 2(x + 8), find x if f(x) = 12. A) 2 B) 40 C) −2 D) 14

If a business filing bankruptcy has assets in the United States and one or more foreign countries, that business should file under: A. chapter 11 B. chapter 9 C

why did the governments role change about national security between the end of world war 2 and modern day?

What type of numbers represent parts of a whole? fractions integers decimals

Which country was a member of the Axis powers during the Second World War? A. Soviet Union B. United States C. Italy D. China

5 is a _______ number. prime composite

What evidence does Red Jacket use in his response to the missionary's request?

Compare using <, >, or =. 1/2 ___ 5/10 < > =