mrebolledo800
mrebolledo800
28-01-2021
Mathematics
contestada
I need help please lolll
Respuesta :
Аноним
Аноним
28-01-2021
Step-by-step explanation:
Sum of angles =180
(7x-1)+(4x+16)+(3x-17)=14x-2=180 14x=182
x=13
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