3a+7+2(3+9)=0

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Solution for 3a+7+2(3+9)=0 equation: 



3a+7+2(3+9)=0

We add all the numbers together, and all the variables

3a+7+212=0

We add all the numbers together, and all the variables

3a+219=0

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

3a=-219

a=-219/3

a=-73

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