सोडोवचें {l}{13-5*3^x/9^x-12*3^x+27geq0}{y=5}{z=y}{a=z}{b=a}{c=b}{text{Solvefor}dtext{where}}{d=c}

$$\left. \begin{array} { l } { \frac{13 - 5 \cdot 3 ^ {x}}{9 ^ {x} - 12 \cdot 3 ^ {x} + 27} \geq 0 }\\ { y = 5 }\\ { z = y }\\ { a = z }\\ { b = a }\\ { c = b }\\ { \text{Solve for } d \text{ where} } \\ { d = c } \end{array} \right.$$

x खातीर सोडोवचें

$$x\in (-\infty,\log_{3}(\frac{13}{5})]\cup (1,2)\text{, }d=5\text{ and }c=5\text{ and }b=5\text{ and }a=5\text{ and }z=5\text{ and }y=5$$

z खातीर सोडोवचें

$$z=5$$

$$\left(x\leq \frac{\ln(\frac{13}{5})}{\ln(3)}\text{ or }x>1\right)\text{ and }x<2\text{ and }d=5\text{ and }c=5\text{ and }b=5\text{ and }a=5\text{ and }y=5$$