SOLUTION: What is the formula or way to solve -b=12.5?

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Question 262845: What is the formula or way to solve -b=12.5?
Answer by Ruli(21) About Me  (Show Source):
You can put this solution on YOUR website!
-b = 12.5
-b = (-1)(b)
(-1)b = 12.5
Devide 12.5 by -1
b = -12.5
Check:
-1(-12.5) = 12.5