Question

номер 1379 сро пж очень срочно

Answer 1

3х+7х+352=4962
10х=4962-352
10х=4610
х=4610:10
х=461

17(2х-1)+82=473
34х-17+82=473
34х+65=473
34х=473-65
34х=408
х=408:34
х=12

21х-5х-84=940
16х=940+84
16х=1024
х=1024:16
х=64

(3t+41)*28-248=3000
84t+1148-248=3000
84t+900=3000
84t=3000-900
84t=2100
t=2100^84
t=25