100-5(20x-20,5)+2,5=5(5x-9)

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Solution for 100-5(20x-20,5)+2,5=5(5x-9) equation: 



100-5(20x-20.5)+2.5=5(5x-9)

We move all terms to the left:

100-5(20x-20.5)+2.5-(5(5x-9))=0

We add all the numbers together, and all the variables

-5(20x-20.5)-(5(5x-9))+102.5=0

We multiply parentheses

-100x-(5(5x-9))+102.5+102.5=0



We calculate terms in parentheses: -(5(5x-9)), so:

5(5x-9)

We multiply parentheses

25x-45

Back to the equation:

-(25x-45)



We add all the numbers together, and all the variables

-100x-(25x-45)+205=0

We get rid of parentheses

-100x-25x+45+205=0

We add all the numbers together, and all the variables

-125x+250=0

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

-125x=-250

x=-250/-125

x=+2

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