Question

6.
Find x
(7/8)-8 x (7/8)3 = (7/8)​

Answer 1

Answer:

X = 0

Step-by-step explanation:

$\frac{7}{8} - 8*X*\frac{7}{8} ^{3} = \frac{7}{8}$

$8*X*\frac{7}{8} ^{3} = 0$

X = 0

Answer 2

Answer:

$x = -5$

Step-by-step explanation:

Given equation :

$(\frac{7}{8})^{-8} * (\frac{7}{8})^{3} = (\frac{7}{8})^{x}$

∴ $(\frac{7}{8})^{-8+3} = (\frac{7}{8})^{x}$

As the bases of both sides are same, we compare the powers.

On comparing powers, we see that  

$-8+3 = x$

∴ $x = -5$

Hope it helped!

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