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Popolare Word Problems >

The sum of seven tiems a number and 5 more than the number is the same as the differenza between-25 and twice the number. What is the number?

Soluzione

T h e s u m o f se v e n t i e m s a n u mb er an d 5 m ore t han t h e n u mb er i s t h e s am e a s t h e d i ff ere n ce b e tw ee n - 25 an d tw i ce t h e n u mb er . Wha t i s t h e n u mb er ?

Soluzione

The number : - 3

Fasi della soluzione

Represent the number with

x

A.T.Q.:

7 x + 5 + x = (- 25) - 2 x

Risolvi per

x, 7 x + 5 + x = (- 25) - 2 x : x = - 3

The number : - 3

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