20-x=28+3x

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Solution for 20-x=28+3x equation: 



20-x=28+3x

We move all terms to the left:

20-x-(28+3x)=0

We add all the numbers together, and all the variables

-x-(3x+28)+20=0

We add all the numbers together, and all the variables

-1x-(3x+28)+20=0

We get rid of parentheses

-1x-3x-28+20=0

We add all the numbers together, and all the variables

-4x-8=0

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

-4x=8

x=8/-4

x=-2

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