9x+3x-4=7

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Solution for 9x+3x-4=7 equation: 



9x+3x-4=7

We move all terms to the left:

9x+3x-4-(7)=0

We add all the numbers together, and all the variables

12x-11=0

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

12x=11

x=11/12

x=11/12

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