Answer: -4
I can't show a number line because I'm on tablet.
Take away 4 from -8 and get -4
Answer:x=-8 and y=-2
Step-by-step explanation:plug in for x.7(2y-4)+5y=6-6614y-28+5y=-6619y-28+-6619y=-38y=-2put it back in.
_Brainliest if helped!
1 over 64
8^2 = 64 , 8^-2 = 1/(8^2) = 1/64