\left. \begin{array} { l } { f 3 {(r + 300)} = 6 }\\ { g = r + 300 - 2 }\\ { h = g }\\ { i = h }\\ { j = i }\\ { k = j }\\ { l = k }\\ { m = l }\\ { n = m }\\ { o = n }\\ { p = o }\\ { q = p }\\ { s = q }\\ { t = s }\\ { \text{Solve for } u \text{ where} } \\ { u = t } \end{array} \right.
Solve for f_3, r, g, h, j, k, l, m, n, o, p, q, s, t, u
u=i
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