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פּוֹפּוּלָרִי Word Problems >

The product of-9 and a number, increased by 15 is-7. Find the number.

פתרון

T h e p ro d u c t o f - 9 an d a n u mb er, in cre a se d b y 15 i s - 7. F in d t h e n u mb er .

פתרון

The number : 2 \frac{4}{9}

צעדי פתרון

Represent the number with

x

A.T.Q.:

(- 9) x + 15 = - 7

(- 9) x + 15 = - 7, x

פתור בשביל:

x = \frac{22}{9}

הסב שבר מדומה למספר מעורב:

\frac{22}{9} = 2 \frac{4}{9}

The number : 2 \frac{4}{9}

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