Please help me on this....

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asked Jan 18, 2019 178k views

1 Answer

AmigoNico · Answer 1 · 2019-01-22T11:20:59+0000

8x + 4y = 16
x + 7y = 15
multiply second equation by (-8)
-8x - 56y = -120
so now
8x + 4y = 16
-8x - 56y = -120
-----------------add
-52y = -104
y = 2

7(2) = 15 - x
14 = 15 - x
x = 1

answer is C.
(1, 2)

Please help me on this....

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