7=z/20

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Solution for 7=z/20 equation: 



7=z/20

We move all terms to the left:

7-(z/20)=0

We add all the numbers together, and all the variables

-(+z/20)+7=0

We get rid of parentheses

-z/20+7=0

We multiply all the terms by the denominator


-z+7*20=0

We add all the numbers together, and all the variables

-1z+140=0

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

-z=-140

z=-140/-1

z=+140

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