9+4x-7x=39

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Solution for 9+4x-7x=39 equation: 



9+4x-7x=39

We move all terms to the left:

9+4x-7x-(39)=0

We add all the numbers together, and all the variables

-3x-30=0

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

-3x=30

x=30/-3

x=-10

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