1) 25х+46х=213
71х = 213
х = 3
2) 56х-27х = 232
29х = 232
х = 8
3) 21х+349 = 832
21х = 832-349
21х = 483
х = 23
4) х:12+524 = 1000
х:12 = 1000 -524
х:12 = 476
х = 476*12
х = 5712
1) 25х+46х=213
71х = 213
х = 3
2) 56х-27х = 232
29х = 232
х = 8
3) 21х+349 = 832
21х = 832-349
21х = 483
х = 23
4) х:12+524 = 1000
х:12 = 1000 -524
х:12 = 476
х = 476*12
х = 5712