21x=-31-(x+2)

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Solution for 21x=-31-(x+2) equation: 



21x=-31-(x+2)

We move all terms to the left:

21x-(-31-(x+2))=0



We calculate terms in parentheses: -(-31-(x+2)), so:

-31-(x+2)

determiningTheFunctionDomain
-(x+2)-31

We get rid of parentheses

-x-2-31

We add all the numbers together, and all the variables

-1x-33

Back to the equation:

-(-1x-33)



We get rid of parentheses

21x+1x+33=0

We add all the numbers together, and all the variables

22x+33=0

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

22x=-33

x=-33/22

x=-1+1/2

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