(4-x)3=-9

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Solution for (4-x)3=-9 equation: 



(4-x)3=-9

We move all terms to the left:

(4-x)3-(-9)=0

We add all the numbers together, and all the variables

(-1x+4)3-(-9)=0

We add all the numbers together, and all the variables

(-1x+4)3+9=0

We multiply parentheses

-3x+12+9=0

We add all the numbers together, and all the variables

-3x+21=0

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

-3x=-21

x=-21/-3

x=+7

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