Question

10.
2x-1
4
-7
4
10. Find the value of x for which
4
4
Х
9
9
9
in pic u can see right question ​

Answer 1

$( \frac{4}{9} ) ^{4} \times ( \frac{4}{9} ) ^{ - 7} = ( \frac{4}{9} ) ^{2x - 1} \\ ( \frac{4}{9} ) ^{4 - 7} = ( \frac{4}{9} ) ^{2x - 1} \\ ( \frac{4}{9} ) ^{ - 3} = ( \frac{4}{9} ) ^{2x - 1}$

By Comparing,

$- 3 = 2x - 1 \\ x = -1$