MHB Can You Crack This Unique 1-15 Number Puzzle Grid?

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Code: 
A + B - C = D
+   /   +
E + F - G = H
-   /   +
I * J * K = L
=   =   =
M   N   0
Al numbers from 1 to 15 used.
 
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Hint: J = 1
 
Thanks for the hint, Denis McField!
Code: 
8 + 12 - 7 = 13
+   /   +
11 + 4 - 6 = 9
-   /   +
5 * 1 * 2 = 10
=   =   =
14   3   15
 
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