For this case we have the following inequality:

Subtracting 4 from both sides of the inequality we have:

Dividing between 7 on both sides of the inequality we have:

Thus, the properties used were:
Subtraction property
Division property
Answer:
Subtraction property
Division property
Answer:
Brooo I've done this before, ok so the inquality is 23
Step-by-step explanation:
Find the difference.
1 1/2 - 2 1/2 = 1
The angel fish has grown 1 inch.
Step-by-step explanation:
4(3x-1)=9-x
12x-4=9-x
12x+x=9+4
13x=13
x=13/13
x=1