Consider the system e a1x + b1y = c1 a2x + b2y = c2. Use Cramers rule to prove that if
Chapter 3, Problem 74(choose chapter or problem)
Consider the system e a1x + b1y = c1 a2x + b2y = c2. Use Cramers rule to prove that if the first equation of the system is replaced by the sum of the two equations, the resulting system has the same solution as the original system.
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