azij
azij
01-10-2017
Mathematics
contestada
Solve the equation and find the value of the variable
Respuesta :
tonb
tonb
06-10-2017
The sum of the angles should be 180, so x+ (x+10) + (x+5) = 180. This simplifies to 3x + 15 = 180, so 3x = 165, so x=55.
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