-11+21=-5(x+8)

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Solution for -11+21=-5(x+8) equation: 



-11+21=-5(x+8)

We move all terms to the left:

-11+21-(-5(x+8))=0

We add all the numbers together, and all the variables

-(-5(x+8))+10=0



We calculate terms in parentheses: -(-5(x+8)), so:

-5(x+8)

We multiply parentheses

-5x-40

Back to the equation:

-(-5x-40)



We get rid of parentheses

5x+40+10=0

We add all the numbers together, and all the variables

5x+50=0

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

5x=-50

x=-50/5

x=-10

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