12=-2(4+o)

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Solution for 12=-2(4+o) equation: 



12=-2(4+o)

We move all terms to the left:

12-(-2(4+o))=0

We add all the numbers together, and all the variables

-(-2(o+4))+12=0



We calculate terms in parentheses: -(-2(o+4)), so:

-2(o+4)

We multiply parentheses

-2o-8

Back to the equation:

-(-2o-8)



We get rid of parentheses

2o+8+12=0

We add all the numbers together, and all the variables

2o+20=0

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

2o=-20

o=-20/2

o=-10

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