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Mathematics, 23.02.2021 18:00 alissalhenry

Найдите решение уравнения. а) 0,7х + 5(5х – 1) – 2,7x = 6,5;
в) 3,1(1 – 3y) + y = 0,4(у — 14);​

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Найдите решение уравнения. а) 0,7х + 5(5х – 1) – 2,7x = 6,5;
в) 3,1(1 – 3y) + y = 0,4(у — 14);...
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