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2/3x+1/4x=21/4
We move all terms to the left:
2/3x+1/4x-(21/4)=0
Domain of the equation: 3x!=0
x!=0/3
x!=0
x∈R
Domain of the equation: 4x!=0We add all the numbers together, and all the variables
x!=0/4
x!=0
x∈R
2/3x+1/4x-(+21/4)=0
We get rid of parentheses
2/3x+1/4x-21/4=0
We calculate fractions
128x/192x^2+3x/192x^2+(-63x)/192x^2=0
We multiply all the terms by the denominator
128x+3x+(-63x)=0
We add all the numbers together, and all the variables
131x+(-63x)=0
We get rid of parentheses
131x-63x=0
We add all the numbers together, and all the variables
68x=0
x=0/68
x=0
Równanie nie ma rozwiązania
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