Amberalways Amberalways
  • 24-03-2016
  • Mathematics
contestada

the sum of a number,n,and 8 is multiplied by -4 ,and the result is -12 .what is the number?

Respuesta :

adityag adityag
  • 24-03-2016
(8+n)*-4=-12
-32-4n=-12
-4n=20
n=-5
Answer Link
olemakpadu
olemakpadu olemakpadu
  • 24-03-2016
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.

Answer Link

Otras preguntas

helpppppppppppppppppppppppppppppppp
Who can tell the answer first. ​
Me ayudan a hacer esta tarea: Classify as: Complete sentence (CS), Fragment (F), or Run on sentence (RO) 1-Ana a math teacher. 2-Studied all day in the libra
The marked price of an article is Rs.2080. After allowing d% discount and levying(d-2)% VAT,the cost of the article becomes Rs 1997.84. find the discount amount
Amber solved the equation −2=10−3(2+6). Match the property with each of Amber's steps for solving the equation.
4x - 7<-27 or 29 4x - 7
Pls help with the question in the picture. 20 Points and brainliest.
320000 in decimal form
Use the definition of the derivative to find the derivative of the function with respect to x. Show steps
“Serving in Florida”How typical do you suppose Ehrenreich's experience is of people who wait tables at "family restaurants" (8)? Consider evidence from your own