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harina [27]
3 years ago
8

AB = 5x -9; BC= -2x + 12

Mathematics
1 answer:
BaLLatris [955]3 years ago
3 0

Answer:

X=-3

Step-by-step explanation:

5x - 9

-2x + 12

(+) (-)

7x = -21

X= -3

plz mark ice bear as Brainliest

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