X-3x=91

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Solution for X-3x=91 equation: 



X-3X=91

We move all terms to the left:

X-3X-(91)=0

We add all the numbers together, and all the variables

-2X-91=0

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

-2X=91

X=91/-2

X=-45+1/2

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