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شائع Word Problems >

Twice the difference of a number and 5 is equal to 9.

الحلّ

Tw i ce t h e d i ff ere n ce o f a n u mb er an d 5 i s e q u a l t o 9.

الحلّ

The number : 9 \frac{1}{2}

خطوات الحلّ

Represent the number with

x

A.T.Q.:

2 (x - 5) = 9

2 (x - 5) = 9, x

حلّ لـ:

x = \frac{19}{2}

حوّل من كسر تخيّليّ لعدد مختلط:

\frac{19}{2} = 9 \frac{1}{2}

The number : 9 \frac{1}{2}

أمثلة شائعة

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