How do you solve $x^ { - 4} - 5= 76$ ?

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Answer 1 · 2017-02-02T00:51:11

$x=1/3$

Here is the process to get the answer:
$x^-4-5=76$
$x^-4=76+5=81$
$x^-4=1/x^4=81$
$1/81=x^4$
$x=root(4)(1/81)$
$x=1/3$

How do you solve x^ { - 4} - 5= 76x^ { - 4} - 5= 76?