Question

решить уравнение:(7/8-0,2)×х=8,1

Answer 1

7/8x-0.2x=8.1;7/8x=0.875x 0.875x-0.2x=8.1 0.675x=8.1 x=8.1/0.675 x=12.

Answer 2

(7/8-0,2)*x=8,1
(35/40-8/40)*x=8,1
27/40*x=8,1
x=8/1 / 27/40
x=12