SOLUTION: I know the answer to this question but do not know how to show the work Solve for b when b+ -3 = 12

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Question 668399: I know the answer to this question but do not know how to show the work
Solve for b when b+ -3 = 12
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for b when b+ -3 = 12
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Add 3 to both sides