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OpenStudy (anonymous):
The sum of twice a number and another number is 24. The difference of twice the first number and the other number is 12. Which system would model this situation, and what is the solution?
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OpenStudy (midhun.madhu1987):
Let the numbers be x and y. 2x + y = 24 2x - y = 12 Solve them...
OpenStudy (anonymous):
lol but how im not very good in math
OpenStudy (midhun.madhu1987):
Add those 2 equations.... and y will be eliminated...find x.
OpenStudy (anonymous):
A. 2(x + y) = 24 2(x – y) = 12 Solution: (9, 6)
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