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Popolare Word Problems >

triple the sum of a number and 7 is the same as 3 more than the number

Soluzione

t r i pl e t h e s u m o f a n u mb er an d 7 i s t h e s am e a s 3 m ore t han t h e n u mb er

Soluzione

The number : - 9

Fasi della soluzione

Represent the number with

x

A.T.Q.:

3 (x + 7) = 3 + x

Risolvi per

x, 3 (x + 7) = 3 + x : x = - 9

The number : - 9

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