Answer:
no solutions
Step-by-step explanation:
b-9-b=-18
Combine like terms
0b -9 = -18
-9 = -18
This is never true, so there are no solutions
Answer: 1/2(x+12)
Step-by-step explanation: Sum is adding.
This stuff is way to hard
30 kilograms
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Answer:
Hope it helps U can still ask me if u have confusions