ПОМОГИТЕ РЕШИТЬ СИСТЕМУ УРАВНЕНИЙ!!!
{4х-у=7,8,
{8х-3у=18,6;
1 Смотреть ответ anastasyacwetkova anastasyacwetkova 4х-у=7,8
8х-3у=18,6
у=4х-7,8
8х-3*(4х-7,8)=18,6
8х-12х+23,4=18,6
4х=4,8
х=4,8/4
х=1,2
у=4*1,2-7,8=-3
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