Ответ:
5у - х = 6
3х – 4y = 4
х=5у-6
3×(5у-6)-4у=4
15у-18-4у=4
11у=4+18
11у=22
у=22÷11
у=2
х=5×2-6
х=4
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Ответ:
5у - х = 6
3х – 4y = 4
х=5у-6
3×(5у-6)-4у=4
15у-18-4у=4
11у=4+18
11у=22
у=22÷11
у=2
х=5×2-6
х=4