4/5u=-20

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Solution for 4/5u=-20 equation: 



4/5u=-20

We move all terms to the left:

4/5u-(-20)=0



Domain of the equation: 5u!=0

u!=0/5

u!=0

u∈R



We add all the numbers together, and all the variables

4/5u+20=0

We multiply all the terms by the denominator


20*5u+4=0

Wy multiply elements

100u+4=0

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

100u=-4

u=-4/100

u=-1/25

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