5:15
Divide both sides by 5 to get it down to the lowest bases.
1:3
-x^2 + 9 - 3x^2 - 11x + 4
-4x^2 - 11x + 13
Answer:
5 hours
Step-by-step explanation:
227.5+97.5=325
325/65=5
For this case, we have the following expression:

We simplify the expression:
If we add similar terms, taking into account that different signs are subtracted and the sign of the greater one is placed, we have that 
So, we have to:

Answer:
-3x + x + 5 = -2x + 5