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1 vote
4x - y = 6
- 4x + y = 8

1 Answer

7 votes
4x-y=6
-4x -4x
-y=6-4x
Divide by -1
Y=-6+4x

-4x+y=8
+4x +4x
Y=8+4x

(Assuming your graphing, no context)
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