(5+x)3=20

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Solution for (5+x)3=20 equation: 



(5+x)3=20

We move all terms to the left:

(5+x)3-(20)=0

We add all the numbers together, and all the variables

(x+5)3-20=0

We multiply parentheses

3x+15-20=0

We add all the numbers together, and all the variables

3x-5=0

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

3x=5

x=5/3

x=1+2/3

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