सोडोवचें {l}{x+y^2+2=0}{z=x+y}{a=z}{b=a}{c=b}{text{Solvefor}dtext{where}}{d=c}

$$\left. \begin{array} { l } { x + y ^ {2} + 2 = 0 }\\ { z = x + y }\\ { a = z }\\ { b = a }\\ { c = b }\\ { \text{Solve for } d \text{ where} } \\ { d = c } \end{array} \right.$$

x, y, z खातीर सोडोवचें

$$x=b+\frac{\sqrt{-4b-7}}{2}-\frac{1}{2}\text{, }y=\frac{-\sqrt{-4b-7}+1}{2}\text{, }z=b$$

$$x=b-\frac{\sqrt{-4b-7}}{2}-\frac{1}{2}\text{, }y=\frac{\sqrt{-4b-7}+1}{2}\text{, }z=b\text{, }b=d\text{ and }a=d\text{ and }c=d\text{ and }d\leq -\frac{7}{4}$$