-243=-9(+x)

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Solution for -243=-9(+x) equation: 



-243=-9(+x)

We move all terms to the left:

-243-(-9(+x))=0



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

-9(+x)

We multiply parentheses

-9x

Back to the equation:

-(-9x)



We get rid of parentheses

9x-243=0

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

9x=243

x=243/9

x=27

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