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42/7x=6/21
We move all terms to the left:
42/7x-(6/21)=0
Domain of the equation: 7x!=0We add all the numbers together, and all the variables
x!=0/7
x!=0
x∈R
42/7x-(+6/21)=0
We get rid of parentheses
42/7x-6/21=0
We calculate fractions
There is no solution for this equation
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