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olasank [31]
3 years ago
11

Someone help and plz make sure it’s right

Mathematics
2 answers:
Archy [21]3 years ago
7 0
The answer is b because 80+60=140, -7 and then divide by three you get 11
Ivanshal [37]3 years ago
3 0

Answer:

x=11

Step-by-step explanation:

3x+7+60+80=180

3x+147=180

3x=33

x=11

Hope this helps :D

BTW 180 degrees is how many degrees in a triangle

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