y= 1/2-2+2

Lösung

y = \frac{1}{2} - 2 + 2

y = \frac{1}{2}

Dezimale

y = 0.5

Schritte zur Lösung

y = \frac{1}{2} - 2 + 2

- 2 + 2 = 0

y = \frac{1}{2}

\frac{4}{9} = \frac{x}{27}

11 x - 13 = 6 x + 27

3 (6 x + 2) = 2 (9 x - 2)

32 x + 25 - 21 x = 10 x

so l v e f or x, 4 x + 7 y = 21