x-9+7x=55

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Solution for x-9+7x=55 equation: 



x-9+7x=55

We move all terms to the left:

x-9+7x-(55)=0

We add all the numbers together, and all the variables

8x-64=0

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

8x=64

x=64/8

x=8

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