\left. \begin{array} { l } { p = 5 r }\\ { r = 4 }\\ { q = 5 }\\ { s = q }\\ { t = s }\\ { u = t }\\ { v = u }\\ { w = v }\\ { x = w }\\ { y = x }\\ { \text{Solve for } z \text{ where} } \\ { z = y } \end{array} \right.
Solve for p, r, q, s, t, u, v, w, x, y, z
z=5
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p=5\times 4
Consider the first equation. Insert the known values of variables into the equation.
p=20
Multiply 5 and 4 to get 20.
p=20 r=4 q=5 s=5 t=5 u=5 v=5 w=5 x=5 y=5 z=5
The system is now solved.
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