-2.1+u/3=-6.9

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Solution for -2.1+u/3=-6.9 equation: 



-2.1+u/3=-6.9

We move all terms to the left:

-2.1+u/3-(-6.9)=0

We add all the numbers together, and all the variables

u/3+4.8=0

We multiply all the terms by the denominator


u+(4.8)*3=0

We add all the numbers together, and all the variables

u+14.4=0

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

u=-14.4

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