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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

9n-930+848=0

We add all the numbers together, and all the variables

9n-82=0

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

9n=82

n=82/9

n=9+1/9

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