(-6/3x=21

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Solution for (-6/3x=21 equation: 



(-6/3x=21

We move all terms to the left:

(-6/3x-(21)=0



Domain of the equation: 3x-21!=0

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

3x!=21

x!=21/3

x!=7

x∈R



We multiply all the terms by the denominator


(-6=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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