-7=-1/3x

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Solution for -7=-1/3x equation: 



-7=-1/3x

We move all terms to the left:

-7-(-1/3x)=0



Domain of the equation: 3x)!=0

x!=0/1

x!=0

x∈R



We get rid of parentheses

1/3x-7=0

We multiply all the terms by the denominator


-7*3x+1=0

Wy multiply elements

-21x+1=0

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

-21x=-1

x=-1/-21

x=1/21

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