3a+3a+78=180

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Solution for 3a+3a+78=180 equation: 



3a+3a+78=180

We move all terms to the left:

3a+3a+78-(180)=0

We add all the numbers together, and all the variables

6a-102=0

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

6a=102

a=102/6

a=17

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