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alinadedechck
@alinadedechck
July 2022
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Решите систему уровнений. 2х+3у=10,ниже -2х+5у=6
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Zhiraffe
Сложим первое и второе уравнение системы:
2x+3y-2x+5y=10+6
8y=16
y=2
Подставим найденный у в первое уравнение:
2x+3*2=10
2x=10-6
2x=4
x=2
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КлиКааа
2x+3y=10 8y=16 2x+3*2=10 2x+6=10 2x=10-6 2x=4 x=2
-2x+5y=6 y=2 y=2 y=2 y=2 y=2 y=2
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Answers & Comments
2x+3y-2x+5y=10+6
8y=16
y=2
Подставим найденный у в первое уравнение:
2x+3*2=10
2x=10-6
2x=4
x=2
-2x+5y=6 y=2 y=2 y=2 y=2 y=2 y=2