(3x-15)2,1=(25-x)2,8

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Solution for (3x-15)2,1=(25-x)2,8 equation: 



(3x-15)2.1=(25-x)2.8

We move all terms to the left:

(3x-15)2.1-((25-x)2.8)=0

We add all the numbers together, and all the variables

(3x-15)2.1-((-1x+25)2.8)=0

We multiply parentheses

6.3x-((-1x+25)2.8)-31.5=0



We calculate terms in parentheses: -((-1x+25)2.8), so:

(-1x+25)2.8

We multiply parentheses

-2.8x+70

Back to the equation:

-(-2.8x+70)



We get rid of parentheses

6.3x+2.8x-70-31.5=0

We add all the numbers together, and all the variables

9.1x-101.5=0

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

9.1x=101.5

x=101.5/9.1

x=11+1/6.5

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