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Chad Russo
Mathematics
24 February, 22:23
X = - 2y
x-y=9
Solve using substitutio
+4
Answers (
1
)
Punk
24 February, 22:26
0
y = - 3; x = 6
Step-by-step explanation:
-2y - y = 9
-3y = 9
y = - 3
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