SOLUTION: how do you solve 3 = one fourth times the square root of (3x + 30) ?

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Question 739769: how do you solve 3 = one fourth times the square root of (3x + 30) ?
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

+3+=+%281%2F4%29sqrt%283x+%2B+30%29

+3%2A4+=+sqrt%283x+%2B+30%29

+12+=+sqrt%283x+%2B+30%29...square both sides

+12%5E2+=+%28sqrt%283x+%2B+30%29%29%5E2

+144+=+3x+%2B+30

+144+-30=+3x+

+114=+3x+

+114%2F3=+x+

+38=+x+