решите уравнение (x+624)-257=357
(х+624)-257=357
х+624=357+257
х+624=614
х=614-624
х=-10
проверка
(-10+624)-257=357
614-257=357
357=357
(x+624)-257=357
х+624-257=357
х=357+257-624
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Answers & Comments
(х+624)-257=357
х+624=357+257
х+624=614
х=614-624
х=-10
проверка
(-10+624)-257=357
614-257=357
357=357
Verified answer
(x+624)-257=357
х+624-257=357
х=357+257-624
х=-10