2x+3=-81

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Solution for 2x+3=-81 equation: 



2x+3=-81

We move all terms to the left:

2x+3-(-81)=0

We add all the numbers together, and all the variables

2x+84=0

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

2x=-84

x=-84/2

x=-42

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