Answer:
C. x<27 and x>-3
Step-by-step explanation:
[x-12]<15
-15<x-12<15
-15+12<×<15+12
-3<×<27
x>-3 and x<27
Answer: v = 2
Step-by-step explanation:
Your equation:

You can multiply both sides by 8 to eliminate the fraction, which gives you this:
6v - 5 = 7
Then, you can solve for it:
6v = 12
v = 2
Answer:

Step-by-step explanation:

The difference of 7 and what? If it means that 3 is multiplied by the difference between 7 and 3, then the result would be 3 x (7-3) = 12.