4=-3/8+u

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Solution for 4=-3/8+u equation:



4=-3/8+u
We move all terms to the left:
4-(-3/8+u)=0
Domain of the equation: 8+u)!=0
We move all terms containing u to the left, all other terms to the right
u)!=-8
u!=-8/1
u!=-8
u∈R
We add all the numbers together, and all the variables
-(+u-3/8)+4=0
We get rid of parentheses
-u+4+3/8=0
We multiply all the terms by the denominator
-u*8+3+4*8=0
We add all the numbers together, and all the variables
-u*8+35=0
Wy multiply elements
-8u+35=0
We move all terms containing u to the left, all other terms to the right
-8u=-35
u=-35/-8
u=4+3/8

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