-7/9u=-42

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Solution for -7/9u=-42 equation: 



-7/9u=-42

We move all terms to the left:

-7/9u-(-42)=0



Domain of the equation: 9u!=0

u!=0/9

u!=0

u∈R



We add all the numbers together, and all the variables

-7/9u+42=0

We multiply all the terms by the denominator


42*9u-7=0

Wy multiply elements

378u-7=0

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

378u=7

u=7/378

u=1/54

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