maths equation?? please help?

2009-06-27 1:16 pm
i have just started a new course and on my home work shhet there is a question

re arrange this equation to make C the subject

a=4bc

can anyone help explaining how they got there answer. i just need to know broken down the steps to take thanks

回答 (9)

2009-06-27 1:21 pm
✔ 最佳答案
c=a/4b
2009-06-28 11:23 am
ok, sure
so u want to get c, so u need to get everything else on da other side......
so divide by 4b on both sides,
so it becomes
a/4b= c
c = a/4b

do u get dat? it's pretty easy, hope this helps :P
2009-06-28 2:48 am
If you shall find c , then you must do this:
a=4bc
4bc=a
c=a/4b.

OK
2009-06-27 11:21 pm
a = 4bc
4bc = a
(4b)(c) = a
c = a/(4b)
2009-06-27 8:33 pm
making c the subject means getting c as a value on its own

This means putting c on its own on one side of the equals sign

If we divide both sides by 4 we get

a/4 =bc

Divide both sides by b and we get

a / 4b = c which is the answer we want

We can just twist this to read

c = a / 4b
2009-06-27 8:26 pm
you want to get 'c' alone so you get rid of 4b by dividing it from the other side where there is 'a'
so its...
a/4b= c
2009-06-27 8:24 pm
Hello:

a = 4bc

Divide both sides by 4b:

a
___ = c

4b



Answer: c = a/4b



Hope this helps!
2009-06-27 8:21 pm
you have to get c by its self. since its being multiplied by 4b you have to do the opposite divide by 4b and you get

c = a/4b
2009-06-27 8:20 pm
c=a/4b


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