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Please help me 20 points

Please Help Me 20 Points class=

Sagot :

Answer:

x= -10

Step-by-step explanation:

the sum of the angles are 180. so subtract 50 and 60 from 180. That gives you 70. then solve x+80=70

Answer:

x = -10°

Step-by-step explanation:

60 + 50 + (x+80) = 180

190 + x = 180

x = -10