SOLUTION: Solving for : 3square root of z-2 =4 Is the first step raising to the power of 3?

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Question 148986: Solving for :
3square root of z-2 =4
Is the first step raising to the power of 3?
Found 2 solutions by mangopeeler07, stanbon:
Answer by mangopeeler07(462) About Me  (Show Source):
You can put this solution on YOUR website!
3sqrt%28z-2%29=4

First divide both sides by 3.
sqrt%28z-2%29=4%2F3

Now square both sides
z-2=16%2F9

Add 2 to both sides
z=16%2F9%2B2

Find the common denominator
z=16%2F9%2B18%2F9

Add the numerators
z=34%2F9

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Solving for :
3square root of z-2 =4
Is the first step raising to the power of 3?
-----------------------
sqrt(z-2) = 4
Square both sides to get:
z-2 = 16
z = 18
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Cheers,
Stan H.