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פּוֹפּוּלָרִי Word Problems >

the sum of 2 more than 6 times a number and 7 times that number is that number decreased by 39

פתרון

t h e s u m o f 2 m ore t han 6 t im es a n u mb er an d 7 t im es t ha t n u mb er i s t ha t n u mb er d ecre a se d b y 39

פתרון

The number : - 3 \frac{5}{12}

צעדי פתרון

Represent the number with

x

A.T.Q.:

2 + 6 x + 7 x = x - 39

2 + 6 x + 7 x = x - 39, x

פתור בשביל:

x = - \frac{41}{12}

הסב שבר מדומה למספר מעורב:

\frac{41}{12} = 3 \frac{5}{12}

The number : - 3 \frac{5}{12}

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