Ответ:
3у=43-7х
3у=-67+4х
43-7х=-67+4х
43+67=4х+7х
110=11х
х=10
у=-9
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Ответ:
3у=43-7х
3у=-67+4х
43-7х=-67+4х
43+67=4х+7х
110=11х
х=10
у=-9