7/4u=-42

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Solution for 7/4u=-42 equation: 



7/4u=-42

We move all terms to the left:

7/4u-(-42)=0



Domain of the equation: 4u!=0

u!=0/4

u!=0

u∈R



We add all the numbers together, and all the variables

7/4u+42=0

We multiply all the terms by the denominator


42*4u+7=0

Wy multiply elements

168u+7=0

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

168u=-7

u=-7/168

u=-1/24

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