-7/2u=-42

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Solution for -7/2u=-42 equation: 



-7/2u=-42

We move all terms to the left:

-7/2u-(-42)=0



Domain of the equation: 2u!=0

u!=0/2

u!=0

u∈R



We add all the numbers together, and all the variables

-7/2u+42=0

We multiply all the terms by the denominator


42*2u-7=0

Wy multiply elements

84u-7=0

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

84u=7

u=7/84

u=1/12

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