3 years ago

What is the value of b? b B+42 B-20

Mathematics

1 answer:

Oduvanchick [21]3 years ago

4 0

Answer:

b=22°

Step-by-step explanation:

because b+42=b+b-20

b+42=2b-20

b-2b=-20-42

-b=-22

b=22°

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