Question

Помогите со вторым уравнением.

Answer 1

-y=0,15.........y=-0,15

Answer 2

$\frac{5}{12}-y=0,15\\\\ y= \frac{5}{12}- \frac{3}{20}\\\\ y= \frac{25-9}{60}\\\\ y=\frac{16}{60}\\\\ y= \frac{4}{15}$