-3(-7z+2)=-69

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Solution for -3(-7z+2)=-69 equation: 



-3(-7z+2)=-69

We move all terms to the left:

-3(-7z+2)-(-69)=0

We add all the numbers together, and all the variables

-3(-7z+2)+69=0

We multiply parentheses

21z-6+69=0

We add all the numbers together, and all the variables

21z+63=0

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

21z=-63

z=-63/21

z=-3

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