I believe it'd be -x - 18 you'd add the 12x and 2x and get 14x-15x and get -x then you'd combine the -15 and -3 to get -18.
Answer:
c
Step-by-step explanation:
Answer: this is hard I hate math sorry
Step-by-step explanation:
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X = 4 will give you the same output no matter what graph you are using.