The answer is A.) 3x-7y and -7y+3x
This is due to "3x" implies the value is positive, or "+3x", and -7y remains -7y.
So, we have 3x-7y and -7y+3x.
I hope this helps!
Answer:
1,200,000
Step-by-step explanation:
hope i helped
Answer:
bark
Step-by-step explanation:
bark bark nooo I'm sorry I need points for my question ❤️
They went there in 6.5 hours and came back in 5.8 hours
For this case we have the following system of equations:

We substitute the second equation in the first:

We eliminate the parenthesis taking into account that:

We add similar terms:

We find the value of the variable "y":

Thus, the solution of the system is given by:

Answer:
