Answer: this is really simple all you have to do is divide 36 by -12 which gives you -3 the final answer is k= -3
Explanation:
why divide? if you see on ur left side you see -12k the (k) is being multiplied with the -12 so to solve the equation you need to do the inverse or the OPPOSITE the opposite of multiplying is dividing 36 divided by -12 gives us -3 (12*3=36 just put the negative sign in the front)