[tex]0, 2t + 1,7t -0,54 = 0,22[/tex]

Ответ:

1.9t=0.76

t=0.76/1.9

t=0.4

Ответ #2:

0,2t + 1.7t = 0.22 + 0.54

t*(0.2 + 1.7) = 0.76

1.9*t = 0.76

19/10*t = 76/100

19*t = 76/10

19*t = 38/5

t = (38/5)/19

t = 38/5 * 1/19

t = 2/5

t = 0.4

Источник: https://znanija.com/task/191806