Mathematics
Mathematics, 17.04.2020 15:48, tanabugg

If equation one is multiplied by 2 and then the equations are added, the result is
Ox=2
5=5
Osx=2
Osx=5

answer
Answers: 2

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If equation one is multiplied by 2 and then the equations are added, the result is
Ox=2
...

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