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

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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

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