Solve {l}{Delta=b^2-4ac}{d=a-1}{e=b-3}{f=c-5}{text{Solvefor}g,h,itext{where}}{g=d}{h=e}{i=f}

$$\left. \begin{array} { l } { \Delta = b ^ {2} - 4 a c }\\ { d = a - 1 }\\ { e = b - 3 }\\ { f = c - 5 }\\ { \text{Solve for } g,h,i \text{ where} } \\ { g = d }\\ { h = e }\\ { i = f } \end{array} \right.$$

Solve for Δ, b, a, c, d, f, g, h

$$g=a-1$$

$$h=e\approx 2.718281828$$