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3 years ago

10

The sum of six less than a number and five more than the same number is 9. Find the number.

1 answer:

OLEGan [10]3 years ago

6 0

(x-6) + (5+x) = 9x - 6 + 5 + x = 9
2x - 6 + 5 = 92x - 1 = 9
2x = 10x = 5

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