Robert J. answered • 11/09/12

Tutor

4.6
(13)
Certified High School AP Calculus and Physics Teacher

Do you mean 3/(2x+4)=6/x ?

Divide both sides by 3 and do cross multiplication,

x = 2(2x+4)

Solve for x by collecting variables in one side, and constant in the other side,

3x = -8

Answer: x = -8/3