Answer
k = 6
Step-by-step explanation
We are aksed to ssolve the given equation
10k + 5 = 65
Subtract 5 from both sides
10k + 5 - 5 = 65 - 5
10k = 60
Divide both sides by 10
(10k/10) = (60/10)
k = 6
To check, this is when number sense comes into play.
With k = 6,
10k + 5 = 65
10(6) + 5 = 65
60 + 5 = 65
65 = 65
Meaning the solution iss correct.
Hope this Helps!!!