niyadixon niyadixon

19-11-2020
Mathematics

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i need help with this ^

i need help with this class=

Respuesta :

lydia112233 lydia112233

19-11-2020

Answer:

a=11

Step-by-step explanation:

Add all expressions to equal 180. (a+20+12a-14+a+20=180)

Combine like terms and solve

You'll get a=11

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