Answer:
the answer is 5.1 killograms
Step-by-step explanation:
hope this helps

This is an exact answer. the answer will be a bit larger than 20
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
Answer:
axis of abscissas
Step-by-step explanation: