2z+23=-2(15+z)

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Solution for 2z+23=-2(15+z) equation: 



2z+23=-2(15+z)

We move all terms to the left:

2z+23-(-2(15+z))=0

We add all the numbers together, and all the variables

2z-(-2(z+15))+23=0



We calculate terms in parentheses: -(-2(z+15)), so:

-2(z+15)

We multiply parentheses

-2z-30

Back to the equation:

-(-2z-30)



We get rid of parentheses

2z+2z+30+23=0

We add all the numbers together, and all the variables

4z+53=0

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

4z=-53

z=-53/4

z=-13+1/4

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