Question

_ation by trial and error as
b) -12k + 3k = -18​

Answer 1

Answer:

Here's your answer

$- 12k + 3k = - 18 \\ \\ - 9k = - 18 \\ \\ k = \frac{18}{9} = 2$

So answer is k =2

Hope it helps ✌✌....