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Mathematics
Haylie Salazar
13 March, 06:29
Solve using elimination
-8x - 7y = 7
-9x - 7y = 14
+3
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Samir Vaughn
13 March, 07:37
0
X=-7 is what I got : /.
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Paityn Mueller
13 March, 07:57
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-9x - (-8x-7) = 14
-9x + 8x + 7 = 14
-x + 7 = 14
7 = 14 + x
X = - 7
(-8 x - 7) - 7y = 7
56 - 7y = 7
56-7 = 7y
49 = 7y
7 = y
Answer x=-7 and y=7
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