Solve the following system using the substitution method:
x - y = -4
x - 2y = -6
(3 points, 2 for work, 0.5 for each part of the solution (x, y))

(x, y) = (-2, 2)

Step-by-step explanation:

We are given the following two equations which we are to solve using the substitution method:

--- (1)

--- (2)

From equation (1):

Substituting this value of x in (2) to get:

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y = 2

Substituting the value of y in (1) to get x:

x = -2

Therefore, (x, y) = (-2, 2).

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step-by-step explanation:

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