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I use nextLine() as a matter of habit since it empties out the stream input buffer so that I can do another nextLine() later to get another user input string and not be faced with a leftover...

Cheat Sheet for printf format specifier
Use whatever the heck you want.


public class Z {
public static void main(String [] args) {
int x = 12;
int y = 12345;

...

I thought you had been given some hints. Oh, well...


Make the first substring dependent on the position of the character 'x' in each equation's String.


Make the second substring...

I didn't show how to extract coefficients from strings. but I gave some hints, as have other helpers.

If you had given the exact input specification at first, my previous post could have been a...

The ultimate goal is to find numerical values of x and y defined by the set of linear algebraic equations

ax + by = e
cx + dy = f

Where LHS (left-hand side) coefficients a, b, c, d and RHS...