Answer:
Step-by-step explanation:
Let n represent the unknown number-
[tex]\frac{3}{4}n-3=-9\\ \\ \frac{3}{4} n-3+3=-9+3\\ \\ \frac{3}{4} n=-6\\\\ \frac{4}{3}(\frac{3}{4}n)=\frac{4}{3}(-6)\\ \\ n=-8[/tex]
Unknown number = -8
Saying it in digits = [tex]\frac{3}{4}n-3=9[/tex]
