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4x/7x=5x/5x+15
We move all terms to the left:
4x/7x-(5x/5x+15)=0
Domain of the equation: 7x!=0
x!=0/7
x!=0
x∈R
Domain of the equation: 5x+15)!=0We get rid of parentheses
x∈R
4x/7x-5x/5x-15=0
Fractions to decimals
4x/7x-15+1=0
We multiply all the terms by the denominator
4x-15*7x+1*7x=0
Wy multiply elements
4x-105x+7x=0
We add all the numbers together, and all the variables
-94x=0
x=0/-94
x=0
Równanie nie ma rozwiązania
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