\[\left(-\frac{5}{24}\right)\cdot\frac{32}{15}=-\frac{160}{360}=-\frac{4}{9}.\]
Сонда \[-\frac{4}{9}-y=\frac{15}{4}.\]
\[-y=\frac{15}{4}+\frac{4}{9}=\frac{135+16}{36}=\frac{151}{36},\qquad y=-\frac{151}{36}.\]
Жауабы: \(y=-\frac{151}{36}\).