// I AM NOT SURE, IF SOMEONE SEES THIS AND ITS WRONG CORRECT ME DIRECTLY.
hmm.. never heard of properties but take a look at this :D
The numerator and denominator can be divided by 4 to get 12/25.
48 / 4 = 12
100 / 4 = 25
Answer:
-2x + 1
Step-by-step explanation:
3 + 7x - (2 + 9x)
Distribute the negative:
3 + 7x - 2 - 9x
Combine like terms:
-2x + 1
Answer:

Step-by-step explanation:

First you need to make the 12 5/8 into an improper fraction by multiplying 12 by 8 and then adding the total by 5.
-> 
Now you have
so you need a common denominator by multiplying the first fraction by 2

Then you subtract 160 - 101 which equals 59.
