8=u/5+4

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Solution for 8=u/5+4 equation: 



8=u/5+4

We move all terms to the left:

8-(u/5+4)=0

We get rid of parentheses

-u/5-4+8=0

We multiply all the terms by the denominator


-u-4*5+8*5=0

We add all the numbers together, and all the variables

-1u+20=0

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

-u=-20

u=-20/-1

u=+20

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