-4=-2(z-13)

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Solution for -4=-2(z-13) equation: 



-4=-2(z-13)

We move all terms to the left:

-4-(-2(z-13))=0



We calculate terms in parentheses: -(-2(z-13)), so:

-2(z-13)

We multiply parentheses

-2z+26

Back to the equation:

-(-2z+26)



We get rid of parentheses

2z-26-4=0

We add all the numbers together, and all the variables

2z-30=0

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

2z=30

z=30/2

z=15

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