Question

2 upon 5 power -3 into 2 upon 5 to the power 17 is equals to 2 upon 5 power to the power 7 x

Answer 1

Answer:

x=2

Step-by-step explanation:

Given:

${( \frac{2}{5} )}^{ - 3} \times {( \frac{2}{5}) }^{17} = {( \frac{2}{5} )}^{7x}$

$= {( \frac{2}{5}) }^{ - 3 + 17} = { (\frac{2}{5}) }^{7x}$

${ (\frac{2}{5}) }^{14} = {( \frac{2}{5} )}^{7x}$

$14 = 7x$

$x = 2$