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Mathematics, 07.03.2021 08:00 emely1139
What is the result of adding these two equations?
5
x
−
9
y
=
1
−
7
x
+
2
y
=
−
5
5x−9y
−7x+2y
=1
=−5
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Answers: 2
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What is the result of adding these two equations?
5
x
−
9
y
=
1...
x
−
9
y
=
1...
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