Question

-10n + 5 = -31 - 8n solve for n and show your work in rows

Answer 1

18 = n

Explanation:

-10n + 5 = -31 - 8n

+10n +10n

______________

5 = -31 + 2n

+31 +31

___________

36 = 2n

___ ___

2 2

___________

18 = n

Answer 2

n=18

Explanation:

-10n+5-5=-31-8n

-10n+5-5=-31-8n-5

-10n=-8n-36

-2n=-36

divide both sides by -2

n=18