3.93 Найдите корень уравнения: a) $$45x = 315$$ б) $$y \cdot 116 = 1508$$ в) $$z : 24 = 27$$

a) $$45x = 315$$ $$x = \frac{315}{45} = 7$$ б) $$y \cdot 116 = 1508$$ $$y = \frac{1508}{116} = 13$$ в) $$z : 24 = 27$$ $$z = 27 \cdot 24 = 648$$