SOLUTION: i want to find out how to solve these two equations using combination 3x-4y=10 3x+6y=30

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Question 455586: i want to find out how to solve these two equations using combination
3x-4y=10
3x+6y=30
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
3x-4y=10
3x+6y=30
--------- Subtract
-10y = -20
Go from there.