Math, asked by anjalianerao12, 2 days ago

find x if 9 (x) =0 ; where 9 (x) =5x-6/7​

Answers

Answered by harshit5170
0

Let f(x)=y=

7x+9

5x+6

7xy+9y=5x+6

⇒x(7y−5)=6−9y

x=

−7y+5

9y−6

x=f

−1

(y)=

−7y+5

9y−6

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