А) (2400+z)/40 = 802400 + z = 40 * 802400 + z = 3200z = 3200 - 2400z = 800
Б) 1500 / x - 300 = 2001500 / x = 200 + 3001500 / x = 500x = 1500 / 500x = 3
В) 2800 - (t - 357) = 1002800 - t + 357 = 100
Г) (2400 / 40) + u = 8060 + u = 80u = 80 - 60u = 20
Д) (1500 - 300) / y = 2001200 / y = 200y = 1200 / 200y = 6
Е) h - (2800 + 357) = 100h - 3157 = 100h = 100 + 3157h = 3257
А) (2400+z)/40 = 80
2400 + z = 40 * 80
2400 + z = 3200
z = 3200 - 2400
z = 800
Б) 1500 / x - 300 = 200
1500 / x = 200 + 300
1500 / x = 500
x = 1500 / 500
x = 3
В) 2800 - (t - 357) = 100
t = 100 - 2800 + 357t = -23432800 - t + 357 = 100
t = 2343
Г) (2400 / 40) + u = 80
60 + u = 80
u = 80 - 60
u = 20
Д) (1500 - 300) / y = 200
1200 / y = 200
y = 1200 / 200
y = 6
Е) h - (2800 + 357) = 100
h - 3157 = 100
h = 100 + 3157
h = 3257