X ÷ 2 - 13 = 1
Write the division as a fraction

Multiple both sides of the equation by 2

Reduce the number with greatest common divisor 2

Multiply the numbers

Then u will have

Move constant to the right by adding its opposite sides

Eliminate the opposites

Then you have

Add the numbers
The answer would be A , that’s his slugging percentage ! Hope this helps !
-4x+2=9 would be the answer for this equation
Nearest tenths - 8.5
Nearest hundredths- 8.55