2(-5z+9)=-7z-3

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Solution for 2(-5z+9)=-7z-3 equation: 



2(-5z+9)=-7z-3

We move all terms to the left:

2(-5z+9)-(-7z-3)=0

We multiply parentheses

-10z-(-7z-3)+18=0

We get rid of parentheses

-10z+7z+3+18=0

We add all the numbers together, and all the variables

-3z+21=0

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

-3z=-21

z=-21/-3

z=+7

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