Ответ:
47х+120=731
47х=731-120
47х=611
Х=611÷47
Х=13
4x+43x+120=731
47x+120=731
x=13
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Ответ:
47х+120=731
47х=731-120
47х=611
Х=611÷47
Х=13
Ответ:
4x+43x+120=731
47x+120=731
x=13