3 years ago

8b–9b–5b+7b Simplify the expression:

Mathematics

2 answers:

DedPeter [7]3 years ago

8 0

Answer:

= b

Step-by-step explanation: they all cancel each other out

tester [92]3 years ago

4 0

Answer:

b, or 1b

Step-by-step explanation:

First of all, you have to combine like terms. In this situation though, they are all b. So start at the beginning. 8-9 is -1. -1 - 5 is -6. -6+7 is 1. So you say, b, because it is the same thing as 1 b.

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