-4(z-4)=20

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Solution for -4(z-4)=20 equation: 



-4(z-4)=20

We move all terms to the left:

-4(z-4)-(20)=0

We multiply parentheses

-4z+16-20=0

We add all the numbers together, and all the variables

-4z-4=0

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

-4z=4

z=4/-4

z=-1

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