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-3х + бу = -27 3х – бу = 27
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-3х + бу = -27
3х – бу = 27

User Artemij Rodionov
by
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1 Answer

8 votes

Explanation:

-3x + 6y = -27 |-1×|

3x - 6y = 27 |1×|

3x - 6y = 27

3x - 6y = 27

Two equations are similar.

X,Y element R

User Korylprince
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