2(a+4)=2a-84a

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Solution for 2(a+4)=2a-84a equation: 



2(a+4)=2a-84a

We move all terms to the left:

2(a+4)-(2a-84a)=0

We add all the numbers together, and all the variables

2(a+4)-(-82a)=0

We multiply parentheses

2a-(-82a)+8=0

We get rid of parentheses

2a+82a+8=0

We add all the numbers together, and all the variables

84a+8=0

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

84a=-8

a=-8/84

a=-2/21

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