Find quadruple solutions
47737
Find all the possible values of $(a,b,c,d)$.
105119
Are there any other methods to apply to solving simultaneous equations?
114379
Show that number of solutions satisfying $x^5=e$ is a multiple of 4?
56803
Finding solutions to congruence equations
108885
Systems of equations with a single number
103304
Finding the number of solutions to a diophantine equation
60902
Find general solution for the equation $1 + 2 + \cdots + (n − 1) = (n + 1) + (n + 2) + \cdots + (n + r) $
130
What is a "harmonic quadruple"?
72857
Find the number of integral solutions of $2x + y + z = 20$?
119109
Integer solutions to $ n^2 + 1 = 2 \times 5^m$
59419
Crafty solutions to the following limit
108035
solving diophantine equations using congruences
129454
Solution to a quadratic form
155012
Solving quadratic equations in modular arithmetic
36713
Solving multiple congruences by CRT = Chinese Remainder Theorem
112390
Solutions of $x^2 \equiv 1 \pmod N$
94407
Number of solutions for $x[1] + x[2] + \ldots + x[n] =k$