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Olin [163]
3 years ago
8

What is the solution of this system of equations Y=3x+7 y=x-9

Mathematics
1 answer:
olchik [2.2K]3 years ago
3 0

Answer:

x=-8, y=-17. (-8, -17).

Step-by-step explanation:

y=3x+7

y=x-9

-----------

3x+7=x-9

3x-x+7=-9

2x+7=-9

2x=-9-7

2x=-16

x=-16/2

x=-8

y=-8-9=-17

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