SOLUTION: x = 2x - 4 What is x?

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Question 310717: x = 2x - 4
What is x?
Answer by loni1234(7) About Me  (Show Source):
You can put this solution on YOUR website!
x=2x-4
x+4=2x
2x-x=4
x=4
the prove
4=2*4-4
4=8-4
4=4