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Beliebt >

3 times a number minus 12 is equal to 5 times the number plus 15.

Lösung

3 times a number minus 12 is equal to 5 times the number plus 15.

Lösung

The number : - 13 \frac{1}{2}

Schritte zur Lösung

Represent the number with

x

A.T.Q.:

3 x - 12 = 5 x + 15

Löse nach

x, 3 x - 12 = 5 x + 15 : x = - \frac{27}{2}

Wandle unechte Brüche in gemischte Zahlen um:

\frac{27}{2} = 13 \frac{1}{2}

The number : - 13 \frac{1}{2}

Beliebte Beispiele

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