2(2z+9)=2(2z+9)

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Solution for 2(2z+9)=2(2z+9) equation: 



2(2z+9)=2(2z+9)

We move all terms to the left:

2(2z+9)-(2(2z+9))=0

We multiply parentheses

4z-(2(2z+9))+18=0



We calculate terms in parentheses: -(2(2z+9)), so:

2(2z+9)

We multiply parentheses

4z+18

Back to the equation:

-(4z+18)



We get rid of parentheses

4z-4z-18+18=0

We add all the numbers together, and all the variables

=0

z=0/1

z=0

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