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One number is nine more than twice another. If their sum is decreased by ten, the result is eleven. Find the numbers.

One number is nine more than twice another. If their sum is decreased by ten, the result is eleven. Find the numbers.
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One number is nine more than twice another. If their sum is decreased by ten, the result is eleven. Find the numbers.

User Dave Kalu
by
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1 Answer

4 votes
Another number: d
One number: 2d + 9

d + 2d + 9 - 10 = 11
3d - 1 = 11
3d = 12
d = 4

Another Number: 4
One Number: 17
2×4 + 9 = 8 + 9 = 17
User Alex Glinsky
by
8.7k points
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