57,1=2,4*(1-a)+131*a

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Solution for 57,1=2,4*(1-a)+131*a equation: 



57.1=2.4(1-a)+131a

We move all terms to the left:

57.1-(2.4(1-a)+131a)=0

We add all the numbers together, and all the variables

-(2.4(-1a+1)+131a)+57.1=0



We calculate terms in parentheses: -(2.4(-1a+1)+131a), so:

2.4(-1a+1)+131a

We add all the numbers together, and all the variables

131a+2.4(-1a+1)

We multiply parentheses

131a-2.4a+2.4

We add all the numbers together, and all the variables

128.6a+2.4

Back to the equation:

-(128.6a+2.4)



We get rid of parentheses

-128.6a-2.4+57.1=0

We add all the numbers together, and all the variables

-128.6a+54.7=0

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

-128.6a=-54.7

a=-54.7/-128.6

a=20.2592592593/47.6296296296

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