Question

find the value of the following
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Answer 1

Answer:

Using Cross multiple ..................

Answer 2

Answer:

x = 3

Step-by-step explanation:

$\frac{ {3}^{x} }{ {7}^{x} } = \frac{27}{343}$

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

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

Comparing both sides :

x = 3

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