Solve the following using Cramers Rule: w + x + y + z =, w + x + y + z =, w + x + y + z =, w + x + y + z = Practice Problem

a = b = c = d = e = <-- Equation 1
f = g = h = i = j = <-- Equation 2
k = l = m = n = o = <-- Equation 3
p = q = r = s = t = <-- Equation 4

The following four unknown practice equations have been generated for you:
3w + 6x + 4y - 5 = -15
9w + 2x - 8y + 16 = 4
19w + 2x + 3y + 9 = 6
5w + 17x + 11y + 10 = 11
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