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Олячкаfff
@Олячкаfff
June 2022
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Решить систему уравнений:
4х+3у=2
5х-у=12
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koingrel
Verified answer
4х + 3у = 2
5х - у = 12 |*3
4х + 3у = 2
+
15х - 3у = 36
____
19х = 38
х = 2
х = 2
5*2 - у = 12
х = 2
10 - у = 12
х = 2
у = -2
ОТВЕТ: (2; -2)
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Answers & Comments
Verified answer
4х + 3у = 25х - у = 12 |*3
4х + 3у = 2
+
15х - 3у = 36
____
19х = 38
х = 2
х = 2
5*2 - у = 12
х = 2
10 - у = 12
х = 2
у = -2
ОТВЕТ: (2; -2)