Question: A metal pipe 90 centimeters long is cut into two pieces so that the longer piece is 15 centimeters longer than twice the length of

A metal pipe 90 centimeters long is cut into two pieces so that the longer piece is 15 centimeters longer than twice the length of the shorter piece. What is the length of the longer piece?
For this problem, set up an equation in one unknown and solve.

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