2a-18+2a-20+2a-15=180

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Solution for 2a-18+2a-20+2a-15=180 equation: 



2a-18+2a-20+2a-15=180

We move all terms to the left:

2a-18+2a-20+2a-15-(180)=0

We add all the numbers together, and all the variables

6a-233=0

We move all terms containing a to the left, all other terms to the right

6a=233

a=233/6

a=38+5/6

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