2z+30=2(z+15)

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Solution for 2z+30=2(z+15) equation: 



2z+30=2(z+15)

We move all terms to the left:

2z+30-(2(z+15))=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+30=0

We add all the numbers together, and all the variables

=0

z=0/1

z=0

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