SOLUTION: if the sum of a number and one is doubled, the result is three less than the number. what is the number?

Algebra.Com
Question 440642: if the sum of a number and one is doubled, the result is three less than the number. what is the number?
Answer by robertb(5830)   (Show Source): You can put this solution on YOUR website!
2(n+1) = n - 3
==> 2n + 2 = n- 3
==> n = -5.

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