I think it’s infinitely many
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.
Answer:
-6 negative six
Step-by-step explanation:
3- 2 - 1 - 4 + 2 - 4= -6