Question

Найдите корень уравнения 0.2 х - 1.4 = - 3.6

Answer 1

0.2х-1.4 =-3.6

0.2(х-7)=-3.6

0.2х+2.2=0

х=-11

Answer 2

0.2x-1.4=-3.6

0.2x+2.2=0

x=-2.2/0.2

x=-11