-3=3(z+10)-9

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Solution for -3=3(z+10)-9 equation: 



-3=3(z+10)-9

We move all terms to the left:

-3-(3(z+10)-9)=0



We calculate terms in parentheses: -(3(z+10)-9), so:

3(z+10)-9

We multiply parentheses

3z+30-9

We add all the numbers together, and all the variables

3z+21

Back to the equation:

-(3z+21)



We get rid of parentheses

-3z-21-3=0

We add all the numbers together, and all the variables

-3z-24=0

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

-3z=24

z=24/-3

z=-8

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