D is (8,4) it just got cut off

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asked Apr 5, 2018 139k views

1 Answer

Babra Cunningham · Answer 1 · 2018-04-11T09:00:45+0000

4x+6y=40
-2x-6y=-26 (this is the second equation multiplied by -1)
2x=14 (added the equations together, 6y is cancelled out by -6y)
x=7
Now plug this value in to one of the equations to get y value
4(7)+6y=40
28+6y=40
6y=12
y=2
The answer is B

D is (8,4) it just got cut off

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