For this case we must solve a system of two equations with two unknowns, given by "x" and "y".
We have:

We multiply (2) by -1:

We add (1) and (3):

Clearing x:

We substitute
in (2)

Thus, the solution of the system is 
Answer:
The solution of the system is 
Answer:
4/9 of a granola bar
Step-by-step explanation:
We have 9 students, and we have 4 granola bars to be divided equally amongst them. The key word here is "divided". This indicates that we should use division:
4 granola bars ÷ 9 students = 4/9 of a granola bar
Each student will get 4/9 of a granola bar.
Hope this helps!
Answer: I'm late but do you still need the answer?
Step-by-step explanation:
Answer:
Step-by-step explanation:
250x^3-16
2(125x^3-8)
2[(5x)^3-(2)^3]
2(5x-3)[(5x)^2+5x*3+(2)^2]
2(5x-3)(25x^2+15x+4)