Question: Solve by the substitution method. x - y = - 1 3 x + 7 y = - 4 3 What is the solution of

Solve by the substitution method.
x-y=-1
3x+7y=-43
What is the solution of the system? Select the correct choice below and fill in the answer box within your choice
A. The unique solution to the system is (Type an ordered pair.)
B. There are an infinite number of solutions.
C. There is no solution.
Solve by the substitution method. x-y=-1 3x+7y=-43 What is the solution

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