Answer:
the temp rose up 15 dgrs
Step-by-step explanation:
(2,2)
first take x-y=0 and multiply it by -5 you will then get this
-5x+5y=0
5x-2y=6
add those together
3y=6
divide by 3
y=2
now plug 2 in for y
x-2=0
add 2 to both sides
x=2
I hope I helped you^_^
c. never.