SOLUTION: X + 5 + X + X - 45 = 392 I come up with X = 144?

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Question 256933: X + 5 + X + X - 45 = 392
I come up with X = 144?
Found 2 solutions by Fombitz, Nieleya:
Answer by Fombitz(32388) About Me  (Show Source):
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Yes, you're correct!

Answer by Nieleya(22) About Me  (Show Source):
You can put this solution on YOUR website!
X + 5 + X + X - 45 = 392
I come up with X = 144?
3x + 5 - 45 = 392
3x - 40 = 392
3x = 392 + 40
3x = 432
x = 432/3
x = 144