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Анастасия7371
@Анастасия7371
August 2022
1
6
Report
)3x-y=2
)5x-3y=-6
)X-5y=0
)2x+3y=26
Помогите срочно решить систему уравнений , дам 20 баллов ( если будет правильно )
Срочно ребята )))
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koingrel
Verified answer
3х - у = 2 l *(-3)
5х - 3у = -6
-9x + 3y = -6
+
5x - 3y = -6
______
-4x = -12
x = 3
x=3
3x - y = 2
x = 3
y = 7
x - 5y = 0 l *(-2)
2x+3y=26
-2x +10y = 0
+
2x+3y=26
_______
13y = 26
y = 2
2x +3y=26
y=2
x=10
y=2
Ответ: (10;2)
1 votes
Thanks 1
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Answers & Comments
Verified answer
3х - у = 2 l *(-3)5х - 3у = -6
-9x + 3y = -6
+
5x - 3y = -6
______
-4x = -12
x = 3
x=3
3x - y = 2
x = 3
y = 7
x - 5y = 0 l *(-2)
2x+3y=26
-2x +10y = 0
+
2x+3y=26
_______
13y = 26
y = 2
2x +3y=26
y=2
x=10
y=2
Ответ: (10;2)