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What is the solution of StartRoot 2 x + 4 EndRoot = 16?
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2 votes
What is the solution of StartRoot 2 x + 4 EndRoot = 16?

User Xiaocheng
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5.3k points

2 Answers

1 vote

Answer:

x=126

Explanation:

User Waffle Paradox
by
4.3k points
4 votes

We start with


√(2x+4)=16

Since both sides of the equality are positive, we can square them to get


2x+4=256

Subtract 4 from both sides and then divide both sides by 2:


2x+4=256 \iff 2x=252\iff x=126

User Foxie
by
5.3k points
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