20.5=15.5+(-3.6x)+18.x

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Solution for 20.5=15.5+(-3.6x)+18.x equation: 



20.5=15.5+(-3.6x)+18.x

We move all terms to the left:

20.5-(15.5+(-3.6x)+18.x)=0



We calculate terms in parentheses: -(15.5+(-3.6x)+18.x), so:

15.5+(-3.6x)+18.x

determiningTheFunctionDomain
(-3.6x)+18.x+15.5

We add all the numbers together, and all the variables

18.x+(-3.6x)+15.5

We get rid of parentheses

18.x-3.6x+15.5

We add all the numbers together, and all the variables

14.4x+15.5

Back to the equation:

-(14.4x+15.5)



We get rid of parentheses

-14.4x-15.5+20.5=0

We add all the numbers together, and all the variables

-14.4x+5=0

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

-14.4x=-5

x=-5/-14.4

x=5/14.4

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