3x+9-4x-4=28

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Solution for 3x+9-4x-4=28 equation: 



3x+9-4x-4=28

We move all terms to the left:

3x+9-4x-4-(28)=0

We add all the numbers together, and all the variables

-1x-23=0

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

-x=23

x=23/-1

x=-23

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