Posted by theo on .
Calculate dy/dt using the given information. xy + x = 12; dx/dt = 3, x = 2, y = 5?

calculus 
Damon,
x y + x = 12
x dy/dt + y dx/dt + dx/dt = 0
2 dy/dt + 5(3)  3 = 0
I guess you can take it from there.