(y-7)-(y-4)=2y
у-7-у+4=2у
2у=-3
у=-3/2
у=-1,5
{x²+3x-x-3+5-x²+2x+14>0⇒4x>-16⇒x>-4
{2x+4,4+x+2x+2,1<0⇒5x<-6,5⇒x<-1,3
x∈(-4;-1,3)
<span>24/(х+2)+1=24/х
x</span>≠0,x≠-2
24x+x²+2x-24x-48=0
x²+2x-48=0
x1+x2=-2 U x1*x2=-48
x1=-8 U x2=6
к=(у2-у1)/(х2-х1)=(0-1)/(19-0)=-1/19