Asked by timmy123

How do you solve 7- ³√9c = 4?

Answers

Answered by Henry
7 - crt(9c) = 4,
-crt(9c) = 4 - 7,
-crt(9c) = -3,
Multiply both sides by -1:
crt(9c) = 3,
Cube both sides and get:
9c = 27,
c = 3.

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