If ab/a+b=1/15, bc/b+c=1/17, ca/c+a=1/16, find the value of abc/ab+bc+ca

Ineed to know the answer to this algebra question.

(03.03 mc) choose the graph below that correctly represents the equation 2x + 4y = 24. (5 points) select one: a. line through the points 0 comma 6 and 12 comma 0 b. line through the points 0 comma negative 6 and 12 comma 0 c. line through the points 0 comma negative 12 and 6 comma 0 d. line through the points 0 comma 12 and 6 comma 0

Which of the following equations is equivalent to x/3-6/x=1