4. Решите уровнения 1.7х+3.1х=57
1,7х+3,1х=57
4,8х=57
х=57 : 4,8
х=11,875
Ответ:х=11,875
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Verified answer
1,7х+3,1х=57
4,8х=57
х=57 : 4,8
х=11,875
Verified answer
4,8х=57
х=11,875
Ответ:х=11,875