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B

Step-by-step explanation:

Given the 2 equations

y = - x + 1 → (1)

y = 2x - 8 → (2)

Substitute y = 2x - 8 into (1)

2x - 8 = - x + 1 ( add x to both sides )

3x - 8 = 1 ( add 8 to both sides )

3x = 9 ( divide both sides by 3 )

x = 3

Substitute x = 3 into either of the 2 equations for corresponding value of y

Substituting in (1)

y = - 3 + 1 = - 2

Solution is (3, - 2 )

B) (3, -2)

Step-by-step explanation:

-2 = -3 + 1

-2 = 2(3) - 8