18-(3x+6)/(-6)=20,5

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Solution for 18-(3x+6)/(-6)=20,5 equation: 



18-(3x+6)/(-6)=20.5

We move all terms to the left:

18-(3x+6)/(-6)-(20.5)=0

We add all the numbers together, and all the variables

-(3x+6)/(-6)-2.5=0

We multiply all the terms by the denominator


-(3x+6)-(2.5)*(-6)=0

We add all the numbers together, and all the variables

-(3x+6)+15=0

We get rid of parentheses

-3x-6+15=0

We add all the numbers together, and all the variables

-3x+9=0

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

-3x=-9

x=-9/-3

x=+3

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