Найдите значение выражения: -5x при x=-2,6; 0; 1; 2 8/15.

\[- 5x\]

\[x = - 2,6:\]

\[- 5 \cdot ( - 2,6) = 13.\]

\[x = 0:\]

\[- 5 \cdot 0 = 0.\]

\[x = 1:\]

\[- 5 \cdot 1 = - 5.\]

\[x = 2\frac{8}{15}:\]

\[- 5 \cdot 2\frac{8}{15} = - 5 \cdot \frac{38}{15} = - \frac{5 \cdot 38}{15} =\]

\[= - \frac{38}{3} = - 12\frac{2}{3}.\]