3x+12x-261=69

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Solution for 3x+12x-261=69 equation: 



3x+12x-261=69

We move all terms to the left:

3x+12x-261-(69)=0

We add all the numbers together, and all the variables

15x-330=0

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

15x=330

x=330/15

x=22

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