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Help plz..And No links!! I repeat No links!!

Help plz..And No links!! I repeat No links!!-example-1
User Mario Ruiz
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1 Answer

2 votes
B=9. You have to add both angles that are not the one supplementary to 13b.

B+24+14b-42= 13b

15B-18 =13b

-18 = -2B

9=B
User Morganjlopes
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