sir, in the 3rd video on prblms on composition, y=x/3x+2 & x E R-(-2/3). how this comes by simplifying, to x=2y/1-3y. pls reply soon

Asked by Rashid bin Sharafuddin | 23rd Apr, 2013, 11:51: PM

Expert Answer:

y=x/3x+2

From this equation, we need to find the value of x.
 
On cross multiplying, we get,
3xy + 2y = x
x - 3xy = 2y
x(1- 3y) = 2y
x = 2y/1-3y

Answered by  | 24th Apr, 2013, 10:31: AM

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