-15.66=3.8(6.8x+6.1)-0.2(x+1.9)

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Solution for -15.66=3.8(6.8x+6.1)-0.2(x+1.9) equation: 



-15.66=3.8(6.8x+6.1)-0.2(x+1.9)

We move all terms to the left:

-15.66-(3.8(6.8x+6.1)-0.2(x+1.9))=0



We calculate terms in parentheses: -(3.8(6.8x+6.1)-0.2(x+1.9)), so:

3.8(6.8x+6.1)-0.2(x+1.9)

We multiply parentheses

22.8x-0.2x+23.18-0.38

We add all the numbers together, and all the variables

22.6x+22.8

Back to the equation:

-(22.6x+22.8)



We get rid of parentheses

-22.6x-22.8-15.66=0

We add all the numbers together, and all the variables

-22.6x-38.46=0

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

-22.6x=38.46

x=38.46/-22.6

x=-1+8.52688172043/12.1505376344

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