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Solve for x. √x + 20 = 9
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2 votes
Solve for x.
√x + 20 = 9

User Sam Nikzad
by
4.1k points

1 Answer

3 votes

Answer:

x = 61

Explanation:

sqrt = square root

sqrt(x + 20) = 9 square both sides to cancel out sqrt

x + 20 = 81 subtract 20 to get x alone

x = 61

User Tobias Nyholm
by
4.3k points
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