0.55=x*(0.55)+0.40*(0.45)

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Solution for 0.55=x*(0.55)+0.40*(0.45) equation: 



0.55=x(0.55)+0.40(0.45)

We move all terms to the left:

0.55-(x(0.55)+0.40(0.45))=0



We calculate terms in parentheses: -(x(0.55)+0.40(0.45)), so:

x(0.55)+0.40(0.45)

We add all the numbers together, and all the variables

x(0.55)+0.18

We multiply parentheses

0.55x+0.18

Back to the equation:

-(0.55x+0.18)



We get rid of parentheses

-0.55x-0.18+0.55=0

We add all the numbers together, and all the variables

-0.55x+0.37=0

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

-0.55x=-0.37

x=-0.37/-0.55

x=0.37/0.55

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