-z/2+19=20

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Solution for -z/2+19=20 equation: 



-z/2+19=20

We move all terms to the left:

-z/2+19-(20)=0

We add all the numbers together, and all the variables

-z/2-1=0

We multiply all the terms by the denominator


-z-1*2=0

We add all the numbers together, and all the variables

-1z-2=0

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

-z=2

z=2/-1

z=-2

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