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What is the answer to this question

What is the answer to this question
asked 151k views
4 votes
What is the answer to this question

What is the answer to this question-example-1
asked
User Bohdan Levchenko
by
8.2k points

1 Answer

5 votes
First you bring the 9 over with the seven

-2= \sqrt[3]{x+9}
Now cube both sides

-8=x+9
Finally subtract 9 over and get

x=-17


Check

7=9+ \sqrt[3]{-17+9}

7=9+ \sqrt[3]{-8}

7=9+(-2)
7=7

answered
User ZarathustrA
by
8.3k points
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