9x-4+3x=140

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Solution for 9x-4+3x=140 equation: 



9x-4+3x=140

We move all terms to the left:

9x-4+3x-(140)=0

We add all the numbers together, and all the variables

12x-144=0

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

12x=144

x=144/12

x=12

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