
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