Question

Solve for pi: C = 2(pi)r.

Answer 1

You need to get pi onto one side of this equation by isolating it.

Answer 2

Since we do not know the value(s) of 2, r, nor C, we can just keep them as is.

Answer 3

Here's a demonstration:

Answer 4

What do you think is the first thing you should do?

Answer 5

Hint: Apply inverse operations :)

Answer 6

divide by 2 or r

Answer 7

Correct!