-20=-4+2x

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



-20=-4+2x

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(2x-4)-20=0

We get rid of parentheses

-2x+4-20=0

We add all the numbers together, and all the variables

-2x-16=0

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

-2x=16

x=16/-2

x=-8

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