(12+x)3/4=30

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Solution for (12+x)3/4=30 equation: 



(12+x)3/4=30

We move all terms to the left:

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

We add all the numbers together, and all the variables

(x+12)3/4-30=0

We multiply all the terms by the denominator


(x+12)3-30*4=0

We add all the numbers together, and all the variables

(x+12)3-120=0

We multiply parentheses

3x+36-120=0

We add all the numbers together, and all the variables

3x-84=0

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

3x=84

x=84/3

x=28

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