-21.8=-2.6+u/6

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Solution for -21.8=-2.6+u/6 equation: 



-21.8=-2.6+u/6

We move all terms to the left:

-21.8-(-2.6+u/6)=0

We add all the numbers together, and all the variables

-(u/6-2.6)-21.8=0

We get rid of parentheses

-u/6+2.6-21.8=0

We multiply all the terms by the denominator


-u+(2.6)*6-(21.8)*6=0

We add all the numbers together, and all the variables

-1u-115.2=0

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

-u=115.2

u=115.2/-1

u=-115+0.2/1

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