Question

Find the value of x for which (-4/9 )4 x (-4/9)-7 = (-4/9)2x-1
​

Answer 1

Answer:

(

9

4

)

x

×(

9

4

)

−7

=(

9

4

)

2x+1

(

9

4

)

x−7

=(

9

4

)

2x+1

On comparing, we get...

x−7=2x+1

So, x=−8