How to solve $x^TAy = d$, where $A$ and $d$ are known, x and y remain unknown.
129454
Solution to a quadratic form
114270
How do I solve this equation?
148570
Find the all possible real solutions of $x^y=y^x$
144644
Solution of $\frac{dy}{dx}=\frac{1}{xy(x^2 \sin y^2+1)}$
106445
Dr Math and his family question. How to solve without trial and error?
105958
Solving a difference equation with several parameters
130154
How to get solution from DSolve
38849
Solve $x^y \, = \, y^x$
88137
$y''-2y'+y=te^t$ by method of undetermined coefficients
131223
How to solve the equation $yy''-y'y^2-(y')^2$?
46106
Prove that $D_r \circ D_s = \{ (x,y) \in \mathbb{R}^2 \ | \ |x-y|<r+s \}$, where $D_a = \{ (x,y) \in \mathbb{R}^2\ | \ |x-y| < a \}$
56424
Using D to find a symbolic derivative
2027
How can I solve the folowing Diophantine equation with two unknowns?
25730
Solve $u_x + u_y + u = e^{x+2y}$
132931
Determining the parity of the coefficients of a quadratic given that there is a rational solution
142725
The general solution of $x^a = a^x$ for real $a >0$
12442
Solution of tanx = x?