86921 = 80000 + 6000 + 900 +20 +1
X-45\x<-4(multiply both sides by X to remove the denominator )
X-45<-4x (collect the like terms)
-45<-4x+x
-45<-3x(divide both sides by -3
-45\-3<-3\-3x
15>x
Use the app desmos it should give you the answer I hope this helps !
