9(42)-9(4)=9(30)-9(z)

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Solution for 9(42)-9(4)=9(30)-9(z) equation: 



9(42)-9(4)=9(30)-9(z)

We move all terms to the left:

9(42)-9(4)-(9(30)-9(z))=0

We add all the numbers together, and all the variables

-(-9z+930)+942-94=0

We add all the numbers together, and all the variables

-(-9z+930)+848=0

We get rid of parentheses

9z-930+848=0

We add all the numbers together, and all the variables

9z-82=0

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

9z=82

z=82/9

z=9+1/9

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