-3(z+-7)+2=20

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Solution for -3(z+-7)+2=20 equation: 



-3(z+-7)+2=20

We move all terms to the left:

-3(z+-7)+2-(20)=0

We add all the numbers together, and all the variables

-3(z-7)+2-20=0

We add all the numbers together, and all the variables

-3(z-7)-18=0

We multiply parentheses

-3z+21-18=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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