4=0.4(3a+2)=-8

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Solution for 4=0.4(3a+2)=-8 equation: 



4=0.4(3a+2)=-8

We move all terms to the left:

4-(0.4(3a+2))=0



We calculate terms in parentheses: -(0.4(3a+2)), so:

0.4(3a+2)

We multiply parentheses

1.2a+0.8

Back to the equation:

-(1.2a+0.8)



We get rid of parentheses

-1.2a-0.8+4=0

We add all the numbers together, and all the variables

-1.2a+3.2=0

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

-1.2a=-3.2

a=-3.2/-1.2

a=2+0.8/1.2

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