Find the value of -x- such that - 3x-7- 81-1

3^x 7÷81=1 3^x 7=81 3^x 7=3^4 x 7=4 x = 11 ...

Find the valu...

Question

Find the value of $^{'} x^{'}$ such that :
$3^{x - 7} \div 81 = 1$

Open in App

Solution

Suggest Corrections

Similar questions

x

5 x + 7 \leq 3 x + 9

$F i n d t h e i n t e g r a l v a l u e o f x s u c h t h a t \frac{3 x + 1}{x + 1} + \frac{x + 1}{3 x + 1} = \frac{5}{2}$

Given that $2 x = 3 + \sqrt{7}$

Find the value of $4 x^{2} + \frac{1}{x^{2}}$

If $3^{x}$ = $\frac{1}{81}$ ,the value of x is

x

\sqrt{4 x + 1} + \sqrt{7 - x} = 6