72.7k views
4 votes
-3(2n+1)+7=5
pls help homework do tomorrow

2 Answers

2 votes
- 6n - 3 + 7 = 5
- 6n + 4 = 5
- 6n = 1
n = - 1/6
User Jassinm
by
8.3k points
5 votes
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
User Rpq
by
8.4k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories