SOLUTION: Solve using a two-order system. One number is 3 less than twice another. If their sum is 39, find the numbers. Solve using a two- order system. John made a rectangular pen

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Question 93293: Solve using a two-order system.
One number is 3 less than twice another. If their sum is 39, find the numbers.

Solve using a two- order system.
John made a rectangular pen for his dog using 28 feet of fencing.
If the width of the pen is 2 feet more than one-half the length, what are the length and width of the pen?
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
x+(2x-3)=90
3x=90+3
3x=93
x=93/3
x=31 for the first number &:
2*31-3=62-3=59 for the second number.
proof
31+59=90
90=90