2x+6=-84-x

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Solution for 2x+6=-84-x equation: 



2x+6=-84-x

We move all terms to the left:

2x+6-(-84-x)=0

We add all the numbers together, and all the variables

2x-(-1x-84)+6=0

We get rid of parentheses

2x+1x+84+6=0

We add all the numbers together, and all the variables

3x+90=0

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

3x=-90

x=-90/3

x=-30

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