A/X=B+C
pka Elite Member Joined Jan 29, 2005 Messages 11,971 Feb 1, 2006 #2 \(\displaystyle \L X = \frac{A}{{B + C}}\)
G Gene Senior Member Joined Oct 8, 2003 Messages 1,904 Feb 1, 2006 #3 A/X=(B+C)/1 Take the recipricals X/A=1/(B+C)