1/7x+21=-4

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Solution for 1/7x+21=-4 equation: 



1/7x+21=-4

We move all terms to the left:

1/7x+21-(-4)=0



Domain of the equation: 7x!=0

x!=0/7

x!=0

x∈R



We add all the numbers together, and all the variables

1/7x+25=0

We multiply all the terms by the denominator


25*7x+1=0

Wy multiply elements

175x+1=0

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

175x=-1

x=-1/175

x=-1/175

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