Question 1126330
You do not want to eliminate x if you want to solve for x.  The other variables are treated like constants.


What are the denominators?
ac, cb, ab.


What is lowest common denominator, or simplest common denominator?
abc.


{{{abc(x/(ac))-abc(x/(cb))=abc/(ab)}}}


{{{bx-ax=c}}}


{{{(b-a)x=c}}}


{{{highlight(x=c/(b-a))}}}