21-6/7x=-6/7x+21

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Solution for 21-6/7x=-6/7x+21 equation: 



21-6/7x=-6/7x+21

We move all terms to the left:

21-6/7x-(-6/7x+21)=0



Domain of the equation: 7x!=0

x!=0/7

x!=0

x∈R





Domain of the equation: 7x+21)!=0

x∈R



We get rid of parentheses

-6/7x+6/7x-21+21=0

We multiply all the terms by the denominator


-21*7x+21*7x-6+6=0

We add all the numbers together, and all the variables

-21*7x+21*7x=0

Wy multiply elements

-147x+147x=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

Równanie nie ma rozwiązania

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