12=-2(5+x)

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Solution for 12=-2(5+x) equation: 



12=-2(5+x)

We move all terms to the left:

12-(-2(5+x))=0

We add all the numbers together, and all the variables

-(-2(x+5))+12=0



We calculate terms in parentheses: -(-2(x+5)), so:

-2(x+5)

We multiply parentheses

-2x-10

Back to the equation:

-(-2x-10)



We get rid of parentheses

2x+10+12=0

We add all the numbers together, and all the variables

2x+22=0

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

2x=-22

x=-22/2

x=-11

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