-12.3=-1.1+u/7

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Solution for -12.3=-1.1+u/7 equation: 



-12.3=-1.1+u/7

We move all terms to the left:

-12.3-(-1.1+u/7)=0

We add all the numbers together, and all the variables

-(u/7-1.1)-12.3=0

We get rid of parentheses

-u/7+1.1-12.3=0

We multiply all the terms by the denominator


-u+(1.1)*7-(12.3)*7=0

We add all the numbers together, and all the variables

-1u-78.4=0

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

-u=78.4

u=78.4/-1

u=-78+0.40000000000001/1

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