18=-9(x-4)

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Solution for 18=-9(x-4) equation: 



18=-9(x-4)

We move all terms to the left:

18-(-9(x-4))=0



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

-9(x-4)

We multiply parentheses

-9x+36

Back to the equation:

-(-9x+36)



We get rid of parentheses

9x-36+18=0

We add all the numbers together, and all the variables

9x-18=0

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

9x=18

x=18/9

x=2

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