Answer:
None.
Step-by-step explanation:
The equation 3=5 is false, therefore, there are no solutions.
3≠5
Answer:
-15
-5 – [-17 + (15 -6)] + (-15 - 8) – {-1 + (8 - 9) + (7 - 10)}
-5-(-17+9)+(-23)-(-1+(-1)+(-3))
-5-(-8)-23-(-1-1-3)
-5+8-23-(-5)
-5+8-23+5
=-15
I'm not sure what exactly you mean by from but maybe addition or division
It increases the mean value of the prizes.
