4+7a=39

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Solution for 4+7a=39 equation: 



4+7a=39

We move all terms to the left:

4+7a-(39)=0

We add all the numbers together, and all the variables

7a-35=0

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

7a=35

a=35/7

a=5

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