3=z/9-7

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Solution for 3=z/9-7 equation: 



3=z/9-7

We move all terms to the left:

3-(z/9-7)=0

We get rid of parentheses

-z/9+7+3=0

We multiply all the terms by the denominator


-z+7*9+3*9=0

We add all the numbers together, and all the variables

-1z+90=0

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

-z=-90

z=-90/-1

z=+90

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