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10 votes

6+\sqrt[5]{249-2x} =7

2 Answers

6 votes

Answer:

x=124

Explanation:


6+\sqrt[5]{249-2x} =7\\\sqrt[5]{249-2x} =7-6=1\\249-2x=1^5=1\\249-1=2x\\2x=248\\x=(248)/(2) =124

User Laerte
by
7.1k points
3 votes

Answer: 124

Explanation:

First, subtract 6 on both sides to get:


\sqrt[5]{249-2x} =1

Take both sides to the 5th power. The radical will cancel, and the right side will be unchanged:


249-2x=1

Subtract 249 on both sides:


-2x=-248


2x=248


x=124

User Raulmarcosl
by
9.2k points

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