-2х + 5у – 1 = 0. 1225. Какие из пар (1; 5), (1,25; 2); (-5; 1); (-1,25; -2); (0; -12);
)
1) 7x — у = 12;
сов. Выразите переменную
2) 4х + Зу = 11?
со вторым помогите пж​
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