-28=-20-4x

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Solution for -28=-20-4x equation: 



-28=-20-4x

We move all terms to the left:

-28-(-20-4x)=0

We add all the numbers together, and all the variables

-(-4x-20)-28=0

We get rid of parentheses

4x+20-28=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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