Solve the system of equations by using the inverse of the coefficient matrix if it exists and by the echelon method if the inverse doesn't exist. 2x + y = 2 5x + 3y = 4
A. x = -2, y = 2
B. x = -2, y = -2
C. x = 2, y = -2
D. No inverse, no solution for system
Answer: C
Mathematics
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