You have
A good first step would be to multiply by the denominator to get
Expand the brackets
Rearrange a little
factorise, and I'll leave the rest to you.
Hi,
For some reason i'm struggling to rearrange a lot of equations where i'm attempting to make a variable that appears twice in the equation the subject. At the moment i am attempting to rearrange this equation to make D the subject. May someone please show me how to do this in steps please?
And if possible, i would like some tips on how to make variables that appear twice the subject please?
Any help is much appreciated
Rob
Hello, Rob!
Since there is a in the denominator, multiply by
. .
Get all -terms on one side, the rest on the other side.
. .
Factor out the
, .
Solve for . . . divide by
. .
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
This answer is correct,
. . but you may see it in a different form.
Multiply the fraction by
. .