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פּוֹפּוּלָרִי Word Problems >

If the difference of a number and five is doubled, the result is nine more than the number. Find the number

פתרון

I f t h e d i ff ere n ce o f a n u mb er an d f i v e i s d o u b l e d, t h e res u lt i s nin e m ore t han t h e n u mb er . F in d t h e n u mb er

פתרון

The number : 19

צעדי פתרון

Represent the number with

x

A.T.Q.:

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

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

פתור בשביל:

x = 19

The number : 19

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