3x-5+3x-5+x=81

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Solution for 3x-5+3x-5+x=81 equation: 



3x-5+3x-5+x=81

We move all terms to the left:

3x-5+3x-5+x-(81)=0

We add all the numbers together, and all the variables

7x-91=0

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

7x=91

x=91/7

x=13

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