Respuesta :
Answer:
X+y=45
X+9=y
Step-by-step explanation:
x+y=45
x-y=-9
adding both equations we get
2x=36
X=18
and
y=27
Answer:
y=27
Step-by-step explanation:
hope i am right
i really don't know
Answer:
X+y=45
X+9=y
Step-by-step explanation:
x+y=45
x-y=-9
adding both equations we get
2x=36
X=18
and
y=27
Answer:
y=27
Step-by-step explanation:
hope i am right
i really don't know