7+20=-3(2x-9)

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Solution for 7+20=-3(2x-9) equation: 



7+20=-3(2x-9)

We move all terms to the left:

7+20-(-3(2x-9))=0

We add all the numbers together, and all the variables

-(-3(2x-9))+27=0



We calculate terms in parentheses: -(-3(2x-9)), so:

-3(2x-9)

We multiply parentheses

-6x+27

Back to the equation:

-(-6x+27)



We get rid of parentheses

6x-27+27=0

We add all the numbers together, and all the variables

6x=0

x=0/6

x=0

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