Which ordered pair is the solution to the system of linear equations y is equal to 5 x plus 8 and y is equal to negative 4 x minus 1 ?

At the solution, both expressions for y must be equal, so set 5x + 8 = -4x - 1. Solving gives 9x = -9, so x = -1; substituting into y = 5x + 8 gives y = 3. Therefore, the solution is (-1, 3), choice C.

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