Question

VA ROG !! Determinati cifra x astfel incat : a) -254 < -25x b) -x3 ≥ -51

Answer 1

-254<-25x
-254<-25x9
-254<-225

b)-3x≥-51
51:3=17
-3x17≥51

Answer 2

$a)-254\ \textless \ -25x \\ =\ \textgreater \ x=3,2,1,0 \\ =\ \textgreater \ -254\ \textless \ -250,-251,-252,-253 \\ \\ b)-x3 \geq -51 \\ =\ \textgreater \ x=4,3,2,1,0 \\ =\ \textgreater \ ,-43-33,-23,-13,-03=-3 \geq -51 \\ \\ Sper \\ ca \\ te-am \\ ajutat!$