30=(8x-2x)-(2x+2x)

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Solution for 30=(8x-2x)-(2x+2x) equation: 



30=(8x-2x)-(2x+2x)

We move all terms to the left:

30-((8x-2x)-(2x+2x))=0

We add all the numbers together, and all the variables

-((+6x)-(+4x))+30=0



We calculate terms in parentheses: -((+6x)-(+4x)), so:

(+6x)-(+4x)

We get rid of parentheses

6x-4x

We add all the numbers together, and all the variables

2x

Back to the equation:

-(2x)



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

-2x=-30

x=-30/-2

x=+15

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