Answer:
eric
Step-by-step explanation:
just took the test
It the talk empty side it will be 8 and the line will be 4 tell me if I am wrong
Im pretty sure it would be doubling the length of each side
We need to leave m alone on the right hand side, so let's move everything else to the left hand side.
First of all, we can subtract b from both sides to get

Now, we can divide both sides by c to get

And so we solved the expression for m, because we have written an expression in the form
, where the right hand side doesn't depend on m.