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nekit [7.7K]
3 years ago
7

20 points! plz help me

Mathematics
1 answer:
AveGali [126]3 years ago
8 0
2a + 3 + a = 180
      - 3           - 3

2a + a = 177

3a = 177
----    ----   =   59
 3       3

59 is a.

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