7x-9=139

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Solution for 7x-9=139 equation: 



7x-9=139

We move all terms to the left:

7x-9-(139)=0

We add all the numbers together, and all the variables

7x-148=0

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

7x=148

x=148/7

x=21+1/7

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