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Which ordered pair is the solution to this system of equations? LaTeX: -x+y=8 − x + y = 8

Question

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## Answers ( )

Answer:(1, 9 )

Step-by-step explanation:Given the 2 equations

– x + y = 8 → (1)

y + 3x = 12 → (2)

Subtracting (2) from (1) term by term will eliminate the term in y, that is

(- x – 3x) + (y – y) = (8 – 12)

– 4x = – 4 ( divide both sides by – 4 )

x = 1

Substitute x = 1 into either of the 2 equations and solve for y

Substituting in (2)

y + 3(1) = 12

y + 3 = 12 ( subtract 3 from both sides )

y = 9

Solution is (1, 9 )

Answer:I think the answer is (5,13)