Question

What is the solution to the equation?

5/x+7 = -2
А. -39
B. -17
C. 25
D. no solution

Answer 1

A

Explanation:

`\sqrt[5]{x+7}` = - 2 ( raise both sides to the power 5 )

`(\sqrt[5]{x+7}) ^(5)` =
`(-2)^(5)`

x + 7 = - 32 ( subtract 7 from both sides )

x = - 39 → A