SOLUTION: A 12cm piece of tubing is cut into two pieces. One piece is 4 cm longer than the other. How long are the pieces?

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Question 220976: A 12cm piece of tubing is cut into two pieces. One piece is 4 cm longer than the other. How long are the pieces?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
x+x+4=12
2x=12-4
2x=8
x=4
x+4=8