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-2/3+1/2u=8/7
We move all terms to the left:
-2/3+1/2u-(8/7)=0
Domain of the equation: 2u!=0We add all the numbers together, and all the variables
u!=0/2
u!=0
u∈R
1/2u-2/3-(+8/7)=0
We get rid of parentheses
1/2u-2/3-8/7=0
We calculate fractions
There is no solution for this equation
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