+0  
 
0
641
1
avatar

1/(8x)-2/(3x)+5/(6x)=3&1/2 Whats x?

 Jun 17, 2016
 #1
avatar+118653 
0

1/(8x)-2/(3x)+5/(6x)=3&1/2 Whats x?

 

\(\frac{1}{8x}-\frac{2}{3x}+\frac{5}{6x}=3\frac{1}{2}\\ \frac{1}{8x}-\frac{2}{3x}+\frac{5}{6x}=\frac{7}{2}\\~\\ \mbox{The lowest common denominator is 24x}\\~\\ 24x\times(\frac{1}{8x}-\frac{2}{3x}+\frac{5}{6x})=24x\times(\frac{7}{2})\\ (\frac{24x}{8x}-\frac{2*24x}{3x}+\frac{5*24x}{6x})=(\frac{7*24x}{2})\\ 3-16+20=84x\\ 7=84x\\ \frac{7}{84}=x\\ x=\frac{1}{12}\\\)

 Jun 17, 2016

1 Online Users

avatar