Find $x,y,z$ such that $6x+15y+20z=17$
54929
Finding integer solutions for $6x+15y+20z=1$
116223
Show that the angles satisfy $x+y=z$
93634
X,Y,Z independent and $\sim N(1,1)$. Find $P(X+Y \geqq 3Z)$
118744
Show that there are exactly 16 pairs of integers $(x,y)$ such that $11x+8y+17=xy$.
87029
Solve $y^2=x^3-4$ in $x,y\in \mathbb{Z}$
41383
Prove that $(x+y+z)^2(yz+zx+xy)^2 \leq 3(y^2+yz+z^2)(z^2+zx+x^2)(x^2+xy+y^2)$
86398
Given six numbers $x,y,z,a,b,c$ which satisfy the following relations. Express $x+y+z$ in terms of $a,b,c$
48337
Complex numbers equation: $z^4 = -16$
106729
Least Value Of $x+y+z$
65246
Algebraic process to find numbers so that $xy=45$ and $x+y=18$
72857
Find the number of integral solutions of $2x + y + z = 20$?
13120
Find all integer solutions to $x^2+y^2+z^2=2xyz$
41689
Find all solutions: $x^2 + 2y^2 = z^2$
73716
Let $x,y,z>0$ and $x+y+z=1$, then find the least value of ${{x}\over {2-x}}+{{y}\over {2-y}}+{{z}\over {2-z}}$
15268
Find all $x,y \in \mathbb N^*$ such that $\frac{1}{x} + \frac{1}{y}=5$
145287
Solve for integers $x, y, z$ such that $x + y = 1 - z$ and $x^3 + y^3 = 1 - z^2$.
40063
$x^2+y^2=z^n$: Find solutions without Pythagoras!