Simplify:
7
−
8
2
−
9
\displaystyle \frac{{{7}-{8}}}{{{2}-{9}}}
2
−
9
7
−
8
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\displaystyle
Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity