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1/3u+3/8u-4/7u=1/3
We move all terms to the left:
1/3u+3/8u-4/7u-(1/3)=0
Domain of the equation: 3u!=0
u!=0/3
u!=0
u∈R
Domain of the equation: 8u!=0
u!=0/8
u!=0
u∈R
Domain of the equation: 7u!=0We add all the numbers together, and all the variables
u!=0/7
u!=0
u∈R
1/3u+3/8u-4/7u-(+1/3)=0
We get rid of parentheses
1/3u+3/8u-4/7u-1/3=0
We calculate fractions
We do not support eupression: u^3
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