SOLUTION: Please explain: find all real solutions. √(3x+1 )= 4

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Question 1139416: Please explain: find all real solutions.
√(3x+1 )= 4
Answer by adamsmith9037(4) About Me  (Show Source):
You can put this solution on YOUR website!
√(3x+1 )= 4
squaring both sides,
3x + 1 = 16
3x = 15
x = 5