Magic equations

Example

+
+
=
74
 
+
+
=
84
 
+
+
=
63
 
+
-
=
 
 
 
 
 
 
 
 
 

Solution

+
+
=
74
 
+
+
=
84
 
+
+
=
63
 
+
-
=
37
 
 
 
28
 
18
 
27
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Magic equations
Magic equations

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