(4+x)3=30+x

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Solution for (4+x)3=30+x equation: 



(4+x)3=30+x

We move all terms to the left:

(4+x)3-(30+x)=0

We add all the numbers together, and all the variables

(x+4)3-(x+30)=0

We multiply parentheses

3x-(x+30)+12=0

We get rid of parentheses

3x-x-30+12=0

We add all the numbers together, and all the variables

2x-18=0

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

2x=18

x=18/2

x=9

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