Question

10(1-0.2у)-(1-У)=17 РЕШИТЕ УРАВНЕНИЕ

Answer 1

10*(1-0,2у)-(1-у) = 17

10-2у-1+у = 17

-у = 17+1-10

-у = 8

у = -8

10*(1-0,2*(-8)) -(1-(-8)) = 10*(1+1,6)-(1+8) = 10*2,6-9 = 26-9 = 17

Ответ: -8.