r/5 - 6 = -1
A. r = 1
B. r = 5
C. r = 10
D. r = 35
E. r = 25
To solve the equation, we need to isolate the variable r.
Adding 6 to both sides of the equation:
r/5 = 6 - 1
r/5 = 5
Multiplying both sides of the equation by 5:
r = 5 * 5
r = 25
Therefore, the answer is E. r = 25.