39=-2a-9

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Solution for 39=-2a-9 equation: 



39=-2a-9

We move all terms to the left:

39-(-2a-9)=0

We get rid of parentheses

2a+9+39=0

We add all the numbers together, and all the variables

2a+48=0

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

2a=-48

a=-48/2

a=-24

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