22kordiek 22kordiek
  • 01-02-2018
  • Mathematics
contestada

-3(2n+1)+7=5
pls help homework do tomorrow

Respuesta :

cineusstanleyy cineusstanleyy
  • 01-02-2018
- 6n - 3 + 7 = 5
- 6n + 4 = 5
- 6n = 1
n = - 1/6
Answer Link
AnimeBrainly
AnimeBrainly AnimeBrainly
  • 01-02-2018
Distribute the -3 to both 2n and 1 (inside the parenthesis)

-3 x 2n = -6n
-3 x 1 = -3

-6n - 3 + 7 = 5

simplify

-6n + 4 = 5

isolate the n

-6n + 4 (-4) = 5 (-4)

-6n = 1

-6n(/-6) = 1(/-6)

n = -1/6

hope this helps
Answer Link

Otras preguntas

For any point on Earth's surface, its height above sea level is called its
Worms move using an hydrostatic skeleton. How do worms move? a. Their bones are filled with water, which provides weight for the skeleton. b. The change in bo
The heart is made of __________ muscle.
I need help with the Gold-192 and magnitude of the earthquake.​
Genetically modified beef offers great benefits to producers and farmers. Buyers should be aware of which of the following regarding this biotechnology? Additi
Which is an acid-conjugate base pair?
What is the treatment for Osteomyelitis?
Which characteristic of epithelial tissues would you expect to find in a duct that is subject to a high degree of pressure (such as the male urethra)? a) Cuboid
what does arrows on the roadway mean 1 shows which lane you must use 2 indicate reserved lanes 3 indicate that you can not pass or change lanes 4 indicate HOV
With a basic understanding of genetic principles, it is possible to predict what the offspring between two parents might look like. a. True b. False