Top question please answer 10points

(-3/4+4/3)+a=0

2. order summonds

3. subtract 7/12 from both sides of the equation

4. simplify

solution a= -7/12

hope this helps :)

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.

my guess would be b and d, but i didn’t actually get out the pen and paper. lol