Solution:
Note that:
- Given equation: 4(k + 1) = k + 10
- To find: 3k
Simplifying the LHS:
- 4(k + 1) = k + 10
- => (4 x k) + (4 x 1) = k + 10
- => 4k + 4 = k + 10
Subtracting k and 4 both sides:
- 4k + 4 - k - 4 = k + 10 - k - 4
- => 3k = 6 (No further solution required)
The value of 3k is 6.