(9+x)3=6x-18

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Solution for (9+x)3=6x-18 equation: 



(9+x)3=6x-18

We move all terms to the left:

(9+x)3-(6x-18)=0

We add all the numbers together, and all the variables

(x+9)3-(6x-18)=0

We multiply parentheses

3x-(6x-18)+27=0

We get rid of parentheses

3x-6x+18+27=0

We add all the numbers together, and all the variables

-3x+45=0

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

-3x=-45

x=-45/-3

x=+15

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