7x-4x-28=8

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Solution for 7x-4x-28=8 equation: 



7x-4x-28=8

We move all terms to the left:

7x-4x-28-(8)=0

We add all the numbers together, and all the variables

3x-36=0

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

3x=36

x=36/3

x=12

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