SOLUTION: 4b-5b-7b-7b

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Question 147715: 4b-5b-7b-7b
Found 2 solutions by mangopeeler07, edjones:
Answer by mangopeeler07(462) About Me  (Show Source):
You can put this solution on YOUR website!
-15b because all you are doing is subtracting the coefficients and then attaching the result to b.

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
4b-5b-7b-7b
-5b-7b-7b=-19b
4b-19b=-15b
.
Ed