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شائع Word Problems >

Two times the sum of a number and 9 is equal to 5.

الحلّ

Tw o t im es t h e s u m o f a n u mb er an d 9 i s e q u a l t o 5.

الحلّ

The number : - 6 \frac{1}{2}

خطوات الحلّ

Represent the number with

x

A.T.Q.:

2 (x + 9) = 5

2 (x + 9) = 5, x

حلّ لـ:

x = - \frac{13}{2}

حوّل من كسر تخيّليّ لعدد مختلط:

\frac{13}{2} = 6 \frac{1}{2}

The number : - 6 \frac{1}{2}

أمثلة شائعة

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