bceballosrijo bceballosrijo
  • 25-02-2022
  • Mathematics
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Answer with solution

Answer with solution class=

Respuesta :

addgamer09 addgamer09
  • 25-02-2022

Answer:

Step-by-step explanation:

First set up an equasion

180 (angles added together) = x+20 + 210-3x + x

then simplify

180 = 230 + x + x -3x

180 = 230 - x

then subtract 230

180 - 230 = -50 = -x

divide -1 from the x

50 = x

check

50 + (50 + 20) + (210 - (3*50)) = 180

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