Mathematics, 09.12.2019 01:31, jackieanguiano4758

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

Answers: 3

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What is the result of adding these two equations?
5
x
−
9
y
=