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lerasan1
@lerasan1
July 2022
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решить систему уравнений
2х-2у=7
2х+3у=-3
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zagalovamilana
| 2X-2Y=7 | -1
| 2x+3y=3 |
| -2X+2Y= -7
| 2x+3y=3
5y= -4
y= -4:5= -0,8
2x+3(-0,8)=3
2x=2,4+3=5,4
x=5,4:2= 2,7
Ответ: x=2,7, y= -0,8
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Answers & Comments
| 2x+3y=3 |
| -2X+2Y= -7
| 2x+3y=3
5y= -4
y= -4:5= -0,8
2x+3(-0,8)=3
2x=2,4+3=5,4
x=5,4:2= 2,7
Ответ: x=2,7, y= -0,8