The correct option is: Option (C)

Explanation:
It is the property of log that if it contains the fraction, it can be expressed as the difference of the log of numerator and the log of denominator.
The general form is:

Hence the correct answer is

.
You are suppose to subtract making it
X+7=13
-7=-7
______
X=6
x = # of games playing.
4.75x + 3 = 42
4.75x = 39
x = 39 /4.75
x = 8.21
Answer:
Shakira played about 8 games
Hello from MrBillDoesMath!
Answer:
x < -2
Discussion:
7 < 3 - 2x => Add 2x to both sides
7 + 2x < 3 - (2x - 2x) => As 2x -2x = 0
7 + 2x < 3 => Subtract 7 from both sides
(7-7) + 2x < 3 - 7 => As 7-7 = 0 and 3-7 = -4
2x < -4 => Divide both sides by 2
x < -4./2 = -2
Thank you,
MrB