X-y=3=>x=3+y
X+2y=-6
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3+y+2y=-6
3+3y=-6
3y=-6-3
3y=-9
y=-3
X+2y=-6
X+2(-3)=-6
X-6=-6
X=0
Answer:
45
Step-by-step explanation:
They add up to 90, so 90 - 45 = 45 degrees
Answer:
Sum of
and
is 
Option B is correct answer.
Step-by-step explanation:
We need to find sum of
and 
Finding sum of
and
:

We know that 
Replacing x^2-4

Now, taking LCM of (x+2)(x-2) and (x+2) we get (x+2)(x-2)

So, Sum of
and
is 
Option B is correct answer.