Question

find x in such that :-

Answer 1

_____Answer____

x=5

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##cathrin

Answer 2

$\frac{125}{8} * ( \frac{125} {8} ) ^x = ( 5/2)^{18}$

(5/2)³ *( 5/2)^3x =( 5/2)^18

(5/2)^3+3x = (5/2)^18

As bases are equal ,powers are equal

3+3x=18

3x=15

x =15/5=3