2a+11+a+12=180

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Solution for 2a+11+a+12=180 equation:



2a+11+a+12=180
We move all terms to the left:
2a+11+a+12-(180)=0
We add all the numbers together, and all the variables
3a-157=0
We move all terms containing a to the left, all other terms to the right
3a=157
a=157/3
a=52+1/3

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