Fill in the blank so that the equation is always true: 4x-4=4x+__ fill in the blank so that the equation is sometimes true: 4x-4=4x__

For the first one:

Insert a "-4".

For the second one:

Insert a "+4".

I do not think you would like to hear that explanation

answer4 to the second power is 16

and 4 to the third power is 64,

ranks (& how to earn them):

-beginner (needs at least 0 points & 0 brainliest answers)

- hand (needs at least 100 points & 0 brainliest answers)

-ambitious   (needs at least 250 points & 0 brainliest answers)

-virtuoso (needs at least 500 points & 5 brainliest answers)

-expert   (needs at least 1,000 points & 10 brainliest answers)

-ace (needs at least 3,000 points & 15 brainliest answers)

-genius   (needs at least 15,000 points & 50 brainliest answers)

how to award brainliest:

you must wait until 2 people answer to award brainliest. i'm pretty sure that it should be next to the "" and "comments" buttons.