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

how much is 5.6-3.5
in the play endgame, why does hamm fear the child
Derek wrote the equation s= 0.1t to show how much he was saving each month. The variable s equals the amount Derek saves and t equals derek’s total income. Whic
C is 2 D is 1 please help me with this question
importance of religious tolerance
A cone has a diameter of 6 cm and a height that is 5 times the diameter use 3.14 for pie which of the following could be used to calculate volume of the cone
Ana: Mi amigo Juan cubre los temas de actualidad. Hace investigación antes de escribir la historia. A. reportero B. editor C. maquetador D. corrector de t
In the game of​ roulette, a player can place a ​$66 bet on the number 66 and have a startfraction 1 over 38 endfraction 1 38 probability of winning. if the meta
What is the slope of the line passing through the points (6, 7) and (1, 5) ? 1/6 5/2 2/5 6
What is the perimeter of a polygon with vertices at (−2, 1) , ​ (−2, 7) ​, (1, 11) , ​ (4, 7) ​ ​, and ​​ ​ (4, 1) ​ ? Enter your answer in the box. Do not ro