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

Write one sentence that states what the 4th amendment is and one more sentence explaining why this is important now.
What is a molecule? What are some molecules found in the human body? In a simple way please.
Solve the equation with the problem set {-28,-8,8,28} |10-x|=18
What is money supply?
Which sentence should be revised to correct a grammatical error? At the Jaguars' baseball game on April 4, a close call by the home plate umpire enraged fans. W
What is an advantage of interviews?
Can you elaborate on the purpose of figurative language? -Figurative language can reveal new or unexpected meaning when words are used in nonliteral comparisons
rewriting the equation in the form Ax + By = C. use integers for A, B, and C. y + 3 = 6(x + 5)
Rational Equations help!
Agh! Help!!! I am having a hard time