20+1=-3(9x-7)

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Solution for 20+1=-3(9x-7) equation: 



20+1=-3(9x-7)

We move all terms to the left:

20+1-(-3(9x-7))=0

We add all the numbers together, and all the variables

-(-3(9x-7))+21=0



We calculate terms in parentheses: -(-3(9x-7)), so:

-3(9x-7)

We multiply parentheses

-27x+21

Back to the equation:

-(-27x+21)



We get rid of parentheses

27x-21+21=0

We add all the numbers together, and all the variables

27x=0

x=0/27

x=0

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