7/5u=-28

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Solution for 7/5u=-28 equation: 



7/5u=-28

We move all terms to the left:

7/5u-(-28)=0



Domain of the equation: 5u!=0

u!=0/5

u!=0

u∈R



We add all the numbers together, and all the variables

7/5u+28=0

We multiply all the terms by the denominator


28*5u+7=0

Wy multiply elements

140u+7=0

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

140u=-7

u=-7/140

u=-1/20

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