Need help with finding the intercept in two lines

[paper perch]

Need a better formula

[brisk lily]

<@&987246399047479336> please have a look, thanks.

[brisk lily]

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[paper perch]

            MyPoint p1 = new MyPoint(input1, input2);
            MyPoint p2 = new MyPoint(input3, input4);
            MyLine L1 = new MyLine(p1, p2);
            p1 = new MyPoint(input5, input6);
            p2 = new MyPoint(input7, input8);
            MyLine L2 = new MyLine(p1, p2);
            if(L1.getSlope()==L2.getSlope()) {
                System.out.println("The lines do not intersect.");
            }
            else {
            double x = (L2.getYInt() - L1.getYInt()) / (L2.getSlope()-L1.getSlope());
            double y = L1.getSlope() * (x + L1.getYInt());
            String intersection = String.format("The lines intersect at point (%.3f,%.3f)", x,y);
            System.out.println(intersection);
            }
        }```

[brisk lily]

Detected code, here are some useful tools:

Formatted code

if (choice == 5) {
  MyPoint p1 = new MyPoint(input1, input2);
  MyPoint p2 = new MyPoint(input3, input4);
  MyLine L1 = new MyLine(p1, p2);
  p1 = new MyPoint(input5, input6);
  p2 = new MyPoint(input7, input8);
  MyLine L2 = new MyLine(p1, p2);
  if (L1.getSlope() == L2.getSlope()) {
    System.out.println("The lines do not intersect.");
  }
  else {
    double x = (L2.getYInt() - L1.getYInt()) / (L2.getSlope() - L1.getSlope());
    double y = L1.getSlope() * (x + L1.getYInt());
    String intersection = String.format("The lines intersect at point (%.3f,%.3f)", x, y);
    System.out.println(intersection);
  }
}

[paper perch]

MyLine class where slope, b, xint and yint is calculated

       slope = (p2.getY() - p1.getY()) / (p2.getX() - p1.getX());
       double b = p1.getY() - slope * p1.getX();
       xint = (0 - b) / (slope * 1.0);
       yint = (slope * 0 + b);
   }```

[brisk lily]

Detected code, here are some useful tools:

Formatted code

public void fixData() {
  slope = (p2.getY() - p1.getY()) / (p2.getX() - p1.getX());
  double b = p1.getY() - slope * p1.getX();
  xint = (0 - b) / (slope * 1.0);
  yint = (slope * 0 + b);
}

[lunar rampart]

Your maths looks wrong to me. Try doing it on paper first before you even try to write code.