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Popolare Word Problems >

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

Soluzione

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

Soluzione

The number : - 22

Fasi della soluzione

Represent the number with

x

A.T.Q.:

(x + 5) \cdot 3 = 2 x - 7

Risolvi per

x, (x + 5) \cdot 3 = 2 x - 7 : x = - 22

The number : - 22

Esempi popolari

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