If U={1,2,3,4,5) and A={2,4) then A' should be
Ans» d.{1,3,5}
Answer:
x=-5, y=-1
Step-by-step explanation:
Substitute x=-4+y into -2x-5y=15. So we have
-2(-4+y)-5y=15
8-2y-5y=15
-7y=7
y=-1
And x is -4+y so x= -4+(-1)= -5.
Yes, they are all equal to each other
