Consider the following system of equations 2x1 + x2 + x3...

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Consider the following system of equations
2x₁ + x₂ + x₃ = 0
x₂ - x₃ = 0
x₁ + x₂ = 0
This system has

A. a unique solution

B. no solution

C. infinite number of solutions

D. five solutions

Answer: Option C

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