solve for x. c-1/x d =cd 1/d d c/d
\(\frac{c-1}{x+d} =cd\)times both sides by (x+d)c-1=(cd)(x+d)divide both sidess by cd\(\frac{c-1}{cd} =x+d\)minus d from both sides\(\frac{c-1}{cd} -d =x\)
