30=-2(-2x+6)-6

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Solution for 30=-2(-2x+6)-6 equation: 



30=-2(-2x+6)-6

We move all terms to the left:

30-(-2(-2x+6)-6)=0



We calculate terms in parentheses: -(-2(-2x+6)-6), so:

-2(-2x+6)-6

We multiply parentheses

4x-12-6

We add all the numbers together, and all the variables

4x-18

Back to the equation:

-(4x-18)



We get rid of parentheses

-4x+18+30=0

We add all the numbers together, and all the variables

-4x+48=0

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

-4x=-48

x=-48/-4

x=+12

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