4/5u-3=9

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Solution for 4/5u-3=9 equation: 



4/5u-3=9

We move all terms to the left:

4/5u-3-(9)=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-12=0

We multiply all the terms by the denominator


-12*5u+4=0

Wy multiply elements

-60u+4=0

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

-60u=-4

u=-4/-60

u=1/15

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