12=-4/7x

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Solution for 12=-4/7x equation: 



12=-4/7x

We move all terms to the left:

12-(-4/7x)=0



Domain of the equation: 7x)!=0

x!=0/1

x!=0

x∈R



We get rid of parentheses

4/7x+12=0

We multiply all the terms by the denominator


12*7x+4=0

Wy multiply elements

84x+4=0

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

84x=-4

x=-4/84

x=-1/21

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