Question

rearrange p=2a+c make a the subject

Answer 1

i have done
p=2a+c
p-c=2a
Then what?

Answer 2

divide both sides by 2 and see the magic!! ;)

Answer 3

so its: a= 2/p-c

Answer 4

hmmn,,i wont comment much
i'l tell you the ans
its a= (p-c)/2

Answer 5

whys that the answer

Answer 6

you divide both sides by 2
you had 2a = p - c
then we have
(2a/2) = (p-c)/2
=> a = (p-c)/2
was i clear enough?