Twice a number decreased by the sum of half the same number and 6 is equal to nine. What is the number?

Pavukol 2022-09-14 Answered
Twice a number decreased by the sum of half the same number and 6 is equal to nine. What is the number?
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Answers (1)

Saige Barton
Answered 2022-09-15 Author has 15 answers
2 x - ( x 2 + 6 ) = 9
2 x - x 2 - 6 = 9
4 x - x - 12 = 18
3 x = 18 + 12
3 x = 30
x = 10

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