10 баллов. Решите уравнения и проверьте ответы:
X-2461=5364-1681;
6271-x=2347+257;
2356+x=3537+269;
X-356=456+168.
Образец;
х-2461=5364-1681
х-2461=3683
х=3683+2461
Х=6144
________
6144-2461=5364-1681.
3683=3683.
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