-2.3+6u=-21.5

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Solution for -2.3+6u=-21.5 equation: 



-2.3+6u=-21.5

We move all terms to the left:

-2.3+6u-(-21.5)=0

We add all the numbers together, and all the variables

6u+19.2=0

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

6u=-19.2

u=-19.2/6

u=-3+1/5

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