8.1=a-(-2.4)a=

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Solution for 8.1=a-(-2.4)a= equation: 



8.1=a-(-2.4)a=

We move all terms to the left:

8.1-(a-(-2.4)a)=0



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

a-(-2.4)a

We multiply parentheses

a+2.4a

We add all the numbers together, and all the variables

3.4a

Back to the equation:

-(3.4a)



We add all the numbers together, and all the variables

-(+3.4a)+8.1=0

We get rid of parentheses

-3.4a+8.1=0

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

-3.4a=-8.1

a=-8.1/-3.4

a=2+1/2.6153846153846

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