7x+9-x=39

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Solution for 7x+9-x=39 equation: 



7x+9-x=39

We move all terms to the left:

7x+9-x-(39)=0

We add all the numbers together, and all the variables

6x-30=0

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

6x=30

x=30/6

x=5

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