2=-2(z-7)

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Solution for 2=-2(z-7) equation: 



2=-2(z-7)

We move all terms to the left:

2-(-2(z-7))=0



We calculate terms in parentheses: -(-2(z-7)), so:

-2(z-7)

We multiply parentheses

-2z+14

Back to the equation:

-(-2z+14)



We get rid of parentheses

2z-14+2=0

We add all the numbers together, and all the variables

2z-12=0

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

2z=12

z=12/2

z=6

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