84=-62-2a

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Solution for 84=-62-2a equation: 



84=-62-2a

We move all terms to the left:

84-(-62-2a)=0

We add all the numbers together, and all the variables

-(-2a-62)+84=0

We get rid of parentheses

2a+62+84=0

We add all the numbers together, and all the variables

2a+146=0

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

2a=-146

a=-146/2

a=-73

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