SOLUTION: -7x+y=20
9x-3y=36
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Question 148591: -7x+y=20
9x-3y=36
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
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You can multiply eq. 1 by 3 and add the two equations to get an equation only in x.
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Add this to eq. 2 to get,
Now you can use either eq. 1 or eq. 2 to solve for y.
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