Issolvi 4xgeqxs+5geq3x-4

$$4 x \geq x s + 5 \geq 3 x - 4$$

Solvi għal x

$$\left\{\begin{matrix}x\geq 5\text{, }&s=3\\x\in \begin{bmatrix}\frac{5}{4-s},-\frac{9}{s-3}\end{bmatrix}\text{, }&s<3\\x\geq \frac{5}{4-s}\text{, }&s>3\text{ and }s<4\\x=-\frac{9}{s-3}\text{, }&s\geq \frac{21}{4}\text{ or }s\leq 3\\x=\frac{5}{4-s}\text{, }&s\geq \frac{21}{4}\text{ or }s<4\\x\in \begin{bmatrix}-\frac{9}{s-3},\frac{5}{4-s}\end{bmatrix}\text{, }&s\geq \frac{21}{4}\end{matrix}\right.$$

Solvi għal s

$$\left\{\begin{matrix}s\in \begin{bmatrix}4-\frac{5}{x},3-\frac{9}{x}\end{bmatrix}\text{, }&x\geq -4\text{ and }x<0\\s\in \begin{bmatrix}3-\frac{9}{x},4-\frac{5}{x}\end{bmatrix}\text{, }&x>0\end{matrix}\right.$$