-3=1u/20

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Solution for -3=1u/20 equation: 



-3=1u/20

We move all terms to the left:

-3-(1u/20)=0

We add all the numbers together, and all the variables

-(+1u/20)-3=0

We get rid of parentheses

-1u/20-3=0

We multiply all the terms by the denominator


-1u-3*20=0

We add all the numbers together, and all the variables

-1u-60=0

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

-u=60

u=60/-1

u=-60

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