3=28+x

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Solution for 3=28+x equation: 



3=28+x

We move all terms to the left:

3-(28+x)=0

We add all the numbers together, and all the variables

-(x+28)+3=0

We get rid of parentheses

-x-28+3=0

We add all the numbers together, and all the variables

-1x-25=0

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

-x=25

x=25/-1

x=-25

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