Answer:
-9
Step-by-step explanation:
-9+2-2=-9
6,135.9 is the correct answer
Answer:
Step-by-step explanation:
I don’t understand
Answer:
1 cubic foot
Step-by-step explanation:
1*1*1 = 1
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