traman
traman traman
  • 11-01-2018
  • Mathematics
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How to find the missing variable?

How to find the missing variable class=

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lesliekolleroxrkcf
lesliekolleroxrkcf lesliekolleroxrkcf
  • 11-01-2018
7x+12=3x+50. def of exterior angle


4x°38
x=9.5

3*9.5+50=missing angle
28.5+50=78.5
180-78.5=102.5
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