3x-1+9x-7=19

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Solution for 3x-1+9x-7=19 equation: 



3x-1+9x-7=19

We move all terms to the left:

3x-1+9x-7-(19)=0

We add all the numbers together, and all the variables

12x-27=0

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

12x=27

x=27/12

x=2+1/4

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