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Popolare Word Problems >

If the sum of a number and six is doubled, the result is nine less than the number

Soluzione

I f t h e s u m o f a n u mb er an d s i x i s d o u b l e d ​, t h e res u lt i s nin e l ess t han t h e n u mb er

Soluzione

The number : - 21

Fasi della soluzione

Represent the number with

x

A.T.Q.:

(x + 6) \cdot 2 = x - 9

Risolvi per

x, (x + 6) \cdot 2 = x - 9 : x = - 21

The number : - 21

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