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Beliebt Word Problems >

Twice the differenz of a number and 9 is 7.

Lösung

Tw i ce t h e d i ff ere n ce o f a n u mb er an d 9 i s 7.

Lösung

The number : 12 \frac{1}{2}

Schritte zur Lösung

Represent the number with

x

A.T.Q.:

2 (x - 9) = 7

Löse nach

x, 2 (x - 9) = 7 : x = \frac{25}{2}

Wandle unechte Brüche in gemischte Zahlen um:

\frac{25}{2} = 12 \frac{1}{2}

The number : 12 \frac{1}{2}

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