I need help on these two questions:

Question

-d/6+12=-7

b+1/3=2

Answer 1

-d/6+12=-7

-d/6 = -19

d = 114
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
b+1/3=2

b = 2 - 1/3

b = 1 2/3

Answer 2

Is there a website that can show me a video of it?

Answer 3

https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/equations_beginner/v/solving-equations-1

http://www.youtube.com/watch?v=juG-iIuTJQE