-11+21=-2(x+1)

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Solution for -11+21=-2(x+1) equation: 



-11+21=-2(x+1)

We move all terms to the left:

-11+21-(-2(x+1))=0

We add all the numbers together, and all the variables

-(-2(x+1))+10=0



We calculate terms in parentheses: -(-2(x+1)), so:

-2(x+1)

We multiply parentheses

-2x-2

Back to the equation:

-(-2x-2)



We get rid of parentheses

2x+2+10=0

We add all the numbers together, and all the variables

2x+12=0

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

2x=-12

x=-12/2

x=-6

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