3a+29+7a+1=180

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Solution for 3a+29+7a+1=180 equation: 



3a+29+7a+1=180

We move all terms to the left:

3a+29+7a+1-(180)=0

We add all the numbers together, and all the variables

10a-150=0

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

10a=150

a=150/10

a=15

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