/*
 * Solve for x
 */
package equation;

import java.util.Scanner;

/**
 * @author Carson K
 */
public class Equation {

    public static void main(String[] args) {
        //Initialize scanner and variables
        Scanner in = new Scanner(System.in);
        int a,b;
        double x;
        //Get a from user
        System.out.println("ax + b = 0");
        System.out.println("Input \"a\":");
        a = in.nextInt();
        //If a equals zero, don't continue
        if(a == 0){
            System.out.println("\"a\" can not equal 0");
        }else{  //Otherwise, get b from user
            System.out.println("Input \"b\":");
            b = in.nextInt();
            //Calculate x
            x = -(double)b/(double)a;
            //Print x
            System.out.println(a + "x + " + b + " = 0");
            System.out.println(a + "x = " + -b);
            System.out.println("x = " + -b + "/" + a);
            System.out.println("x = " + x);
        }
    }
}