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Serjik [45]
3 years ago
7

Please help me with my math homework​

Mathematics
1 answer:
zheka24 [161]3 years ago
8 0

Answer

x=45

Explanation

2x + 45 + x = 180

3x + 45 = 180

     -45      -45

3x = 135

/3       /3

x=45

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