-3.1+u/8=-15.9

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Solution for -3.1+u/8=-15.9 equation: 



-3.1+u/8=-15.9

We move all terms to the left:

-3.1+u/8-(-15.9)=0

We add all the numbers together, and all the variables

u/8+12.8=0

We multiply all the terms by the denominator


u+(12.8)*8=0

We add all the numbers together, and all the variables

u+102.4=0

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

u=-102.4

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