3-(4-4)+4 is what ? i confused about if when u do the 4-4 that zero then what do you do next?

Subtract

New Problem:

Remove 0

Before:

After:

Add

Note: You remove 0 because your just subtracting 3-0 which is still 3. Therefore you can just remove 0 and forget about it. After you remove 0 you can just add 3+4.

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72

what