3z-5=-20

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Solution for 3z-5=-20 equation: 



3z-5=-20

We move all terms to the left:

3z-5-(-20)=0

We add all the numbers together, and all the variables

3z+15=0

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

3z=-15

z=-15/3

z=-5

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