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2/7t-1=15/7
We move all terms to the left:
2/7t-1-(15/7)=0
Domain of the equation: 7t!=0We add all the numbers together, and all the variables
t!=0/7
t!=0
t∈R
2/7t-1-(+15/7)=0
We get rid of parentheses
2/7t-1-15/7=0
We calculate fractions
-1!=0
There is no solution for this equation
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