(5+x)5=21

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Solution for (5+x)5=21 equation: 



(5+x)5=21

We move all terms to the left:

(5+x)5-(21)=0

We add all the numbers together, and all the variables

(x+5)5-21=0

We multiply parentheses

5x+25-21=0

We add all the numbers together, and all the variables

5x+4=0

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

5x=-4

x=-4/5

x=-4/5

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