18=3(z+4)+3

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Solution for 18=3(z+4)+3 equation: 



18=3(z+4)+3

We move all terms to the left:

18-(3(z+4)+3)=0



We calculate terms in parentheses: -(3(z+4)+3), so:

3(z+4)+3

We multiply parentheses

3z+12+3

We add all the numbers together, and all the variables

3z+15

Back to the equation:

-(3z+15)



We get rid of parentheses

-3z-15+18=0

We add all the numbers together, and all the variables

-3z+3=0

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

-3z=-3

z=-3/-3

z=1

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