Question 178336
3sqrt(x-5) = 3

Divide both sides by 3 to get:
 
sqrt(x-5) = 1

Square both sides to get:

x-5 = 1

x = 6
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Checking:
If x = 6
3sqrt(x-5) = 3sqrt(6-5) = 3sqrt(1) = 3*1 = 3
Correct.
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Cheers,
Stan H.