4-7=z/7

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Solution for 4-7=z/7 equation: 



4-7=z/7

We move all terms to the left:

4-7-(z/7)=0

We add all the numbers together, and all the variables

-(+z/7)+4-7=0

We add all the numbers together, and all the variables

-(+z/7)-3=0

We get rid of parentheses

-z/7-3=0

We multiply all the terms by the denominator


-z-3*7=0

We add all the numbers together, and all the variables

-1z-21=0

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

-z=21

z=21/-1

z=-21

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