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Which of these systems of equations has a solution of (6,−7)? A x−2y=20 2x−y=19 B x−2y=20 2x+y=19 C x+2y=20 2x−y=19 D x+2y=20 2x+y=19
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Which of these systems of equations has a solution of (6,−7)?

A
x−2y=20
2x−y=19
B
x−2y=20
2x+y=19
C
x+2y=20
2x−y=19
D
x+2y=20
2x+y=19

User RagHaven
by
5.6k points

1 Answer

5 votes

Answer:

A.

x-2y=20

2x-y=19

User Kinnard Hockenhull
by
4.8k points
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