-30=9+4x

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Solution for -30=9+4x equation: 



-30=9+4x

We move all terms to the left:

-30-(9+4x)=0

We add all the numbers together, and all the variables

-(4x+9)-30=0

We get rid of parentheses

-4x-9-30=0

We add all the numbers together, and all the variables

-4x-39=0

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

-4x=39

x=39/-4

x=-9+3/4

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