20.5=-15.5(-3.6x)+1.8x

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Solution for 20.5=-15.5(-3.6x)+1.8x equation: 



20.5=-15.5(-3.6x)+1.8x

We move all terms to the left:

20.5-(-15.5(-3.6x)+1.8x)=0



We calculate terms in parentheses: -(-15.5(-3.6x)+1.8x), so:

-15.5(-3.6x)+1.8x

We add all the numbers together, and all the variables

1.8x-15.5(-3.6x)

We multiply parentheses

1.8x+46.5x

We add all the numbers together, and all the variables

48.3x

Back to the equation:

-(48.3x)



We add all the numbers together, and all the variables

-(+48.3x)+20.5=0

We get rid of parentheses

-48.3x+20.5=0

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

-48.3x=-20.5

x=-20.5/-48.3

x=4.5555555555556/10.733333333333

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