Question

Выразите x из уравнения

Answer 1

y=(x+7)/(2x-5)

y(2x-5) = x+7

2xy - 5y = x + 7

2xy - x = 7 + 5y

x(2y-1) = 7+5y

x = (7+5y)/(2y-1)

y<>1/2