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5x/7x=-4
We move all terms to the left:
5x/7x-(-4)=0
Domain of the equation: 7x!=0We add all the numbers together, and all the variables
x!=0/7
x!=0
x∈R
5x/7x+4=0
We multiply all the terms by the denominator
5x+4*7x=0
Wy multiply elements
5x+28x=0
We add all the numbers together, and all the variables
33x=0
x=0/33
x=0
Równanie nie ma rozwiązania
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