ellenwhitsett ellenwhitsett

18-11-2015
Mathematics

Answered

A first number plus twice a second number is 9. Twice the first number plus the second totals 27. Find the numbers

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paul061799 paul061799

18-11-2015

create a a system of 2 equations: 2x + y = 27 and 2y + x = 9, with x being the first number and y being the second. solve for the two variables and you'll get the first number is 15 and the second is -3.

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