-20=5+u/5

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Solution for -20=5+u/5 equation: 



-20=5+u/5

We move all terms to the left:

-20-(5+u/5)=0

We add all the numbers together, and all the variables

-(u/5+5)-20=0

We get rid of parentheses

-u/5-5-20=0

We multiply all the terms by the denominator


-u-5*5-20*5=0

We add all the numbers together, and all the variables

-1u-125=0

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

-u=125

u=125/-1

u=-125

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