Hi Steven,
Your math *is* correct. Some people find it easy to verify their work by
using subsitutions, and then replace at the end. As a validation of your
work you can do the following:
Original:
c=((y-2)/(w-b-s))*i
Define:
A = y-s
B = w-b-s
Now equation is:
c=A/B*i
Solve:
A=c*B/i
Put A back in:
y-s = c*B/i ---> y = c*B/i + s
Put B back in:
y = c*(w-b-s)/i + s
Generally substitutions like this are for longer expressions, but you get
the picture. Hope you solve what ever issue you are having!
Jobe Makar
http://www.electrotank.com
http://www.electro-server.com
phone: 919-609-0408
mobile: 919-610-5754
fax: 919-341-8104
----- Original Message -----
From: "Steven Sacks" <[EMAIL PROTECTED]>
To: "'Flashcoders mailing list'" <[email protected]>
Sent: Saturday, March 18, 2006 7:04 PM
Subject: [Flashcoders] Trying to solve this math equation
Hey everyone,
My algebra seems to be failing me. I need some help here.
Here's my equation:
c = ((y - s) / (w - b - s)) * i;
I need to solve for y when I have c. I wrote it out on paper and I came
up
with:
y = ((c / i) * (w - b - s)) + s;
But that doesn't work...
My logic:
c = ((y - s) / (w - b - s)) * i;
c / i = ((y - s) / (w - b - s));
(c / i) * (w - b - s) = y - s;
((c / i) * (w - b - s)) + s = y;
Am I missing something?
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