20+13z+20=-20+10z

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Solution for 20+13z+20=-20+10z equation: 



20+13z+20=-20+10z

We move all terms to the left:

20+13z+20-(-20+10z)=0

We add all the numbers together, and all the variables

13z-(10z-20)+20+20=0

We add all the numbers together, and all the variables

13z-(10z-20)+40=0

We get rid of parentheses

13z-10z+20+40=0

We add all the numbers together, and all the variables

3z+60=0

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

3z=-60

z=-60/3

z=-20

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