Step-by-step explanation:
4x-9y=-9 1
2x +3y=3 2
1 - 2(2)
4x -9y=-9
(2)* -4x -6y=6
________
0-15y=-3
15y=3
y=3/15
y=1/5
Y doesn't change so it stays 3.
x will be 0, because the average of 0 and -2 is -1
Answer: 1/48
Step-by-step explanation:
Write 2.5/120 as a fraction , then rewrite it as 25/1200 simplify and get 1/48
Hope this helps!
Answer:
2
Step-by-step explanation:
I think :)
