Answer:
2
Step-by-step explanation
If you convert 2/7 to an equivalent fraction, you would get 4/14. Add 4/14 to 13/14 to get 17/14 or 1 and 3/14
For this case we must solve the following system of equations:

We multiply the first equation by -2:

We add the new equation with the second one:

We have different signs subtracted and the sign of the major is placed:

Now we find the value of the variable "y":

Thus, the solution of the system is given by:

Answer:

48
Step-by-step explanation:
idek I just need tge points so don't put what I put
Answer:
x+y=5
Step-by-step explanation:
y=-x+5
add x to both sides
x+y=5