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-6/5u=-42
We move all terms to the left:
-6/5u-(-42)=0
Domain of the equation: 5u!=0We add all the numbers together, and all the variables
u!=0/5
u!=0
u∈R
-6/5u+42=0
We multiply all the terms by the denominator
42*5u-6=0
Wy multiply elements
210u-6=0
We move all terms containing u to the left, all other terms to the right
210u=6
u=6/210
u=1/35
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