Question

Simplify 4c - 5c + 6c

Answer 1

Really !  Why do you let math scare you like that ? ?

How about this:       (4 cows) - (5 cows) + (6 cows)

I'll bet you have no problem seeing that it's  5 cows .

So why do you totally clutch when they're just  C's  instead of cows ? ?