3z+20+19z=20z-20

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Solution for 3z+20+19z=20z-20 equation: 



3z+20+19z=20z-20

We move all terms to the left:

3z+20+19z-(20z-20)=0

We add all the numbers together, and all the variables

22z-(20z-20)+20=0

We get rid of parentheses

22z-20z+20+20=0

We add all the numbers together, and all the variables

2z+40=0

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

2z=-40

z=-40/2

z=-20

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