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+//CHAPTER 1- D.C. CIRCUIT ANALYSIS AND NETWORK THEOREMS 
+//Example 59
+
+disp("CHAPTER 1");
+disp("EXAMPLE 59");
+
+//SOLUTION
+
+//I1+I2=20...............eq (1)
+//-I1+I2=10..............eq (2)
+//solving the simultaneous equations by matrix method
+
+A=[1 1;-1 1];
+b=[20;10];
+x=inv(A)*b;
+x1=x(1,:);               //to access 1st element of 2X1 matrix
+x2=x(2,:);               //to access 2nd element of 2X1 matrix
+disp(sprintf("Current I1= %d A",x1));
+disp(sprintf("Current I2= %d A",x2)); 
+
+//END
+
+