3a+105=180

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Solution for 3a+105=180 equation: 



3a+105=180

We move all terms to the left:

3a+105-(180)=0

We add all the numbers together, and all the variables

3a-75=0

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

3a=75

a=75/3

a=25

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