SOLUTION: 1. twelve less than a number 1s eighteen. find the number. 2. when twice a number is decreased by five, the result is twenty seven. find the number . please help :)

Algebra ->  Equations -> SOLUTION: 1. twelve less than a number 1s eighteen. find the number. 2. when twice a number is decreased by five, the result is twenty seven. find the number . please help :)      Log On


   

Question 634862: 1. twelve less than a number 1s eighteen. find the number.
2. when twice a number is decreased by five, the result is twenty seven. find the number .

please help :)
Answer by MathTherapy(10556) About Me  (Show Source):
You can put this solution on YOUR website!

1. twelve less than a number 1s eighteen. find the number.
2. when twice a number is decreased by five, the result is twenty seven. find the number .
please help :)

Let number be N
Then: N - 12 = 18

N, or number = 18 + 12, or highlight_green%2830%29

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Let number be N
Then: 2N - 5 = 27

2N = 32

N, or number = 32%2F2, or highlight_green%2816%29

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