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x/21x+10=18
We move all terms to the left:
x/21x+10-(18)=0
Domain of the equation: 21x!=0We add all the numbers together, and all the variables
x!=0/21
x!=0
x∈R
x/21x-8=0
We multiply all the terms by the denominator
x-8*21x=0
Wy multiply elements
x-168x=0
We add all the numbers together, and all the variables
-167x=0
x=0/-167
x=0
Równanie nie ma rozwiązania
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