2x-x-4+7x=28

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Solution for 2x-x-4+7x=28 equation: 



2x-x-4+7x=28

We move all terms to the left:

2x-x-4+7x-(28)=0

We add all the numbers together, and all the variables

8x-32=0

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

8x=32

x=32/8

x=4

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