ewewwwwww
ewewwwwww
22-05-2018
Mathematics
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what is this .....................
Respuesta :
evgeniylevi
evgeniylevi
22-05-2018
Try this solution:
according to the condition ∠1+∠2=180, it means that
74-x+86-2x=180, ⇒ x= -20/3
answer: -20/3
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