-7/4x=21

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Solution for -7/4x=21 equation: 



-7/4x=21

We move all terms to the left:

-7/4x-(21)=0



Domain of the equation: 4x!=0

x!=0/4

x!=0

x∈R



We multiply all the terms by the denominator


-21*4x-7=0

Wy multiply elements

-84x-7=0

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

-84x=7

x=7/-84

x=-1/12

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