Question

i need help i dont undertand it

Answer 1

Answer:

answer is 3rd choice

k/3 +17=12

Answer 2

option 3 is correct as –15 is matching accordingly to the question

$\frac{k}{3} + 17 = 12 \\ \frac{k}{3} = 12 - 17 \\ \frac{k}{3} = - 5 \\ k = - 5 \times 3 \\ k = - 15$