40=2/5u

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Solution for 40=2/5u equation: 



40=2/5u

We move all terms to the left:

40-(2/5u)=0



Domain of the equation: 5u)!=0

u!=0/1

u!=0

u∈R



We add all the numbers together, and all the variables

-(+2/5u)+40=0

We get rid of parentheses

-2/5u+40=0

We multiply all the terms by the denominator


40*5u-2=0

Wy multiply elements

200u-2=0

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

200u=2

u=2/200

u=1/100

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