21-7z/6=-z

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Solution for 21-7z/6=-z equation: 



21-7z/6=-z

We move all terms to the left:

21-7z/6-(-z)=0

We add all the numbers together, and all the variables

-7z/6-(-1z)+21=0

We get rid of parentheses

-7z/6+1z+21=0

We multiply all the terms by the denominator


-7z+1z*6+21*6=0

We add all the numbers together, and all the variables

-7z+1z*6+126=0

Wy multiply elements

-7z+6z+126=0

We add all the numbers together, and all the variables

-1z+126=0

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

-z=-126

z=-126/-1

z=+126

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