GTU OOP Program - 2

2). Write a program that solves the following equation and displays the value x and y:
1) 3.4x+50.2y=44.5
2) 2.1x+.55y=5.9
(Assume Cramer’s rule to solve equation ax+by=e x=ed-bf/ad-bc cx+dy=f y=af-ec/ad-bc ).

Here we will create a general program and then add our equations as input

import java.util.Scanner;

class Program_02 {
    public static void main(String[] args) {

        Scanner input = new Scanner(System.in);
        System.out.println("Values of equation 1 :");
        System.out.print("Enter value of a : ");
        double a = input.nextDouble();
        System.out.print("Enter values of b : ");
        double b = input.nextDouble();
        System.out.print("Enter value of e : ");
        double e = input.nextDouble();

        System.out.println("Values of Equation 2 : ");
        System.out.print("Enter value of c : ");
        double c = input.nextDouble();
        System.out.print("Enter value of d : ");
        double d = input.nextDouble();
        System.out.print("Enter value of f : ");
        double f = input.nextDouble();

        // Using Cramer's rule
        double x = ((e * d) - (b * f)) / ((a * d) - (b * c));
        double y = ((a * f) - (e * c)) / ((a * d) - (b * c));

        System.out.print("x = " + x + " y = " + y);
    }
}
Output
cse gtu, gtu study material for computer engineering students gujarat technological university oop lab manual solution

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