02-29-2012   #7
MAS1

Join Date: Dec 2008
Posts: 249

Quote:
 Originally Posted by Jonathan W -$\frac{1}{2}$ + x + $\frac{2}{3}$ = -$\frac{5}{6}$ Find what x equals. Please show your work! ---------- Post added at 04:47 PM ---------- Previous post was at 04:40 PM ---------- Or try to solve this! $\frac{1}{6}$ + $\frac{1}{x}$ = -$\frac{5}{6}$
(1/6) + (1/x) = -5/6

First get common denominators for the left hand side.

x/(6x) + 6/(6x) = -5/6

(x + 6)/(6x) = -5/6

Then cross multiply.

-30x = 6x + 36
-36 = 36x
-1 = x