Ответ:
x+579=309x3
x+579=927
x=927-579
x=348
348+579=927
x+579=309•3
x+579= 927
х=927-579
х=348
348+579=309•3
927=927
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Ответ:
x+579=309x3
x+579=927
x=927-579
x=348
348+579=927
x+579=309•3
x+579= 927
х=927-579
х=348
348+579=309•3
927=927