10-4z=20-2z-1

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Solution for 10-4z=20-2z-1 equation: 



10-4z=20-2z-1

We move all terms to the left:

10-4z-(20-2z-1)=0

We add all the numbers together, and all the variables

-4z-(-2z+19)+10=0

We get rid of parentheses

-4z+2z-19+10=0

We add all the numbers together, and all the variables

-2z-9=0

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

-2z=9

z=9/-2

z=-4+1/2

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