Register
The sum of a number,n,and 8 is multiplied by -4 ,and the result is -12 .what is the number?
38.9k views
4 votes
The sum of a number,n,and 8 is multiplied by -4 ,and the result is -12 .what is the number?

User Htanata
by
7.3k points

2 Answers

4 votes
(8+n)*-4=-12
-32-4n=-12
-4n=20
n=-5
User Sergio Acosta
by
7.8k points
0 votes
Sum of n and 8 = (n + 8)

Multiplied by -4 = -4*(n + 8)

Result = -12

-4*(n + 8) = -12 Divide both sides by -4

(n + 8) = -12/-4

n + 8 = 3

n = 3 - 8

n = -5.

The number is -5.

User Adam Goss
by
6.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.8m questions

10.4m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!