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4vir4ik [10]
3 years ago
10

! WILL GIVE BRAINLIEST !

Mathematics
1 answer:
navik [9.2K]3 years ago
3 0

Answer:

11,2

Step-by-step explanation:

1)-x+9=-2

x=11

2) -1=9-5t

-10=-5t

t=2

3) 12-2*n=15-7*n

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