I believe that the answer is 4.4
40 - 3k + 10k = -10 - 8k - 10
40 + 7k = -10 - 8k - 10
40 + 7k = -8k - 20
40 + 7k - 40 = -8k - 20 - 40
7k = -8k - 60
7k + 8k = -8k - 60 + 8k
15k = -60
15k/15 = -60/15
k = -4
Answer:
you should go to desmos graphing and type in your equation, it graphs it for you.
Answer:
x=1 when y=2
Step-by-step explanation:
you could set up a proportion of 8/4 = 2/x.
cross multiply and you get 8x=8.
when you divide you get x=1