task1

#include <stdio.h>
int main()
{
    float a, b, x;
    printf("a = ");
    scanf("%f", &a);
    printf("b = ");
    scanf("%f", &b);
    if(a == 0 && b == 0)
    {
        printf("x = 0\n");
    }
    else if (a !=0)
    {
        x = -b/a;
        printf("x = %.2f\n", x);
    }
    else
    {
        printf("No solution");
    }
    return 0;
}