Which equations are true? Choose all answers that apply:
0 = 0 + x - x
0 = (-x) – (-x) + 0
None of the above

0=0+x-x

Step-by-step explanation:

for example... plug in any number for x

0=0+5-5

the solution is h=10 because you add 9 to each side of the equation.

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

happy to

pls mark as brainliest.