1463. Решите системы уравнений: 1) 3x+5 = 16, 2x+3y = 9; 9x-7y = 95, 4x+y=34; = 3) 3x-5y = 23, |2x+3y = 9; 6x +5y = 0, 2x+3y = -8.​
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