(8+x)8=(12+x)12

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Solution for (8+x)8=(12+x)12 equation: 



(8+x)8=(12+x)12

We move all terms to the left:

(8+x)8-((12+x)12)=0

We add all the numbers together, and all the variables

(x+8)8-((x+12)12)=0

We multiply parentheses

8x-((x+12)12)+64=0



We calculate terms in parentheses: -((x+12)12), so:

(x+12)12

We multiply parentheses

12x+144

Back to the equation:

-(12x+144)



We get rid of parentheses

8x-12x-144+64=0

We add all the numbers together, and all the variables

-4x-80=0

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

-4x=80

x=80/-4

x=-20

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