Answer:
Step-by-step explanation:
y - 3 = -(x + 2)
y - 3 = -x - 2
y = -x + 1
It's about dividing the like-terms. Obviously 20/4 is 5, but then each variable has to be divided. The exponents of the variables in division are subtracted, so with the x-value it would be 1 - 3, which is -2. Do this with the other variables, and you should get C
K=7
Hope this helps!! Can I please have brainliest?