20.5=3x-2

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Solution for 20.5=3x-2 equation: 



20.5=3x-2

We move all terms to the left:

20.5-(3x-2)=0

We get rid of parentheses

-3x+2+20.5=0

We add all the numbers together, and all the variables

-3x+22.5=0

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

-3x=-22.5

x=-22.5/-3

x=7+1/2

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