216+1=217 or 215+2=217 ect.
30-12=p
p= 18
just make p the subject and you will get to ur answer.
The answer is (-1,-7) because you are pluging it in -1 is x and -7 is y. so 7×-1=-7 and 5×-7 = -35 so -7 minus -35 =28
Abs are not getting mad annoying you
I need a lil more information