2=-2(2+z)

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Solution for 2=-2(2+z) equation: 



2=-2(2+z)

We move all terms to the left:

2-(-2(2+z))=0

We add all the numbers together, and all the variables

-(-2(z+2))+2=0



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

-2(z+2)

We multiply parentheses

-2z-4

Back to the equation:

-(-2z-4)



We get rid of parentheses

2z+4+2=0

We add all the numbers together, and all the variables

2z+6=0

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

2z=-6

z=-6/2

z=-3

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