Problem with the program to solve linear equations.

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C

Yes! The frist time try "if-else". Like I said above, here is the code:

#include<stdio.h>
main()
   {
   int a,b,x;
   printf("\n Input a: ");
   scanf("%d",&a);
   printf("\n Input b: ");
   scanf("%d",&b);
   if (a=0)
      {
      if (b=0)
         printf("\nThe equation has unlimited result");
      else 
         printf("\nThe equation has no result");
      getch();
      }
   else
      {
      x=-b/a;
      printf("\nThe equation has only 1 result x= %d", x);
      getch();
      }
   }

The problem is: I have compiled successfully in Dev-C++. But when I run it, the program crash after input 2 numbers (a and b) (The program has stoped working...).


[edit]Indentation corrected so the flow is clear - OriginalGriff[/edit]