-20=-2z-10+6z

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Solution for -20=-2z-10+6z equation: 



-20=-2z-10+6z

We move all terms to the left:

-20-(-2z-10+6z)=0

We add all the numbers together, and all the variables

-(4z-10)-20=0

We get rid of parentheses

-4z+10-20=0

We add all the numbers together, and all the variables

-4z-10=0

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

-4z=10

z=10/-4

z=-2+1/2

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