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פּוֹפּוּלָרִי Word Problems >

twice the difference of a number and 4 equals 7

פתרון

tw i ce t h e d i ff ere n ce o f a n u mb er an d 4 e q u a l s 7

פתרון

The number : 7 \frac{1}{2}

צעדי פתרון

Represent the number with

x

A.T.Q.:

2 (x - 4) = 7

2 (x - 4) = 7, x

פתור בשביל:

x = \frac{15}{2}

הסב שבר מדומה למספר מעורב:

\frac{15}{2} = 7 \frac{1}{2}

The number : 7 \frac{1}{2}

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