4=z/2-2

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Solution for 4=z/2-2 equation: 



4=z/2-2

We move all terms to the left:

4-(z/2-2)=0

We get rid of parentheses

-z/2+2+4=0

We multiply all the terms by the denominator


-z+2*2+4*2=0

We add all the numbers together, and all the variables

-1z+12=0

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

-z=-12

z=-12/-1

z=+12

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