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Popular Word Problems >

If the sum of a number and nine is tripled, the result is five less than twice the number. Find the number.

Solution

I f t h e s u m o f a n u mb er an d nin e i s t r i pl e d, t h e res u lt i s f i v e l ess t han tw i ce t h e n u mb er . F in d t h e n u mb er .

Solution

The number : - 32

Solution steps

Represent the number with

x

A.T.Q.:

(x + 9) \cdot 3 = 2 x - 5

Solve for

x, (x + 9) \cdot 3 = 2 x - 5 : x = - 32

The number : - 32

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