Solve for A, m, n, B (complex solution)
A=5m-4n+8
m\in \mathrm{C}
n\in \mathrm{C}
B=10-m
Solve for A, m, n, B
A=5m-4n+8
m\in \mathrm{R}
n\in \mathrm{R}
B=10-m
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