-86+7x=131

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Solution for -86+7x=131 equation: 



-86+7x=131

We move all terms to the left:

-86+7x-(131)=0

We add all the numbers together, and all the variables

7x-217=0

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

7x=217

x=217/7

x=31

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