12+20=-4(9x-8)

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Solution for 12+20=-4(9x-8) equation: 



12+20=-4(9x-8)

We move all terms to the left:

12+20-(-4(9x-8))=0

We add all the numbers together, and all the variables

-(-4(9x-8))+32=0



We calculate terms in parentheses: -(-4(9x-8)), so:

-4(9x-8)

We multiply parentheses

-36x+32

Back to the equation:

-(-36x+32)



We get rid of parentheses

36x-32+32=0

We add all the numbers together, and all the variables

36x=0

x=0/36

x=0

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