Question

3x/4 -3=12
find the equation​

Answer 1

Step-by-step explanation:

f(x)=3x−4 (Given)

Say, y=3x−4

⇒3x=y+4

⇒x=

3

(y+4)

∴f

−1

(x)=x=

3

y+4

Answer 2

Answer:

x= 4

This is the correct answer 4

Step-by-step explanation:

3x/1=12

3x=12

x=12/3

x=4

So the final answer is 4