Question: Write a matrix equation equivalent to the system of equations. a. 2x - 3y = 7, x + 5y = -6 b. -x + y

Write a matrix equation equivalent to the system of equations.
a. 2x - 3y = 7,
x + 5y = -6
b. -x + y = 3,
5x - 4y = 16
c. x + y - 2z = 6,
3x - y + z = 7,
2x + 5y - 3z = 8

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