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21121212cutecheytown
28.06.2019 •
Mathematics
Solve 4/x-4=x/x-4-4/3 for x and determine if the solution is extraneous or not
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Ответ:
x = 4 (extraneous solution)
Step-by-step explanation:
This solution is extraneous. Reason being that even if it can be solved algebraically, it is still not a valid solution because if we substitute back
, we will get two fractions with zero denominator which would be undefined.
Ответ:
y-11=3(x-2)
y-11=3x-6
y=3x+5