Решите систему уравнений:
1) х+2у=4
1.5х+3у=6
2) 2х+3у= 10
4х+6у=7
DahenkaSi05
2
30.10.2020 16:37
1
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3
x=4-2y
1,5x+3y=6
1,5(4-2y)+3y=6
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