20+x=(5+x)2

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Solution for 20+x=(5+x)2 equation: 



20+x=(5+x)2

We move all terms to the left:

20+x-((5+x)2)=0

We add all the numbers together, and all the variables

x-((x+5)2)+20=0



We calculate terms in parentheses: -((x+5)2), so:

(x+5)2

We multiply parentheses

2x+10

Back to the equation:

-(2x+10)



We get rid of parentheses

x-2x-10+20=0

We add all the numbers together, and all the variables

-1x+10=0

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

-x=-10

x=-10/-1

x=+10

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