SOLUTION: A plumber wishes to cut a 26 foot length of pipe into two pieces. The longer piece needs to be 7 feet less than twice the length of the shorter piece. Where should the plumber cut

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Question 335687: A plumber wishes to cut a 26 foot length of pipe into two pieces. The longer piece needs to be 7 feet less than twice the length of the shorter piece. Where should the plumber cut the pipe?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let's call the two lengths A and B.
1.A%2BB=26
2.B=2A-7
Substitute eq. 2 into eq. 1,
A%2B2A-7=26
3A=33
A=11ft
Then from eq. 1,
11%2BB=26
B=15ft