Question: Solve using the substitution method. x - y = -1 6x + 9y = -126 A. The solution of the system is _______. B. There

Solve using the substitution method.

x - y = -1

6x + 9y = -126

A. The solution of the system is _______.

B. There are infinitely many solutions in the form (x, ____).

C. There is no solution.

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