20=x-4+2x

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Solution for 20=x-4+2x equation: 



20=x-4+2x

We move all terms to the left:

20-(x-4+2x)=0

We add all the numbers together, and all the variables

-(3x-4)+20=0

We get rid of parentheses

-3x+4+20=0

We add all the numbers together, and all the variables

-3x+24=0

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

-3x=-24

x=-24/-3

x=+8

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