-23<or equal to 3x-8 and 9x-8<-17
Follow Math Help Forum on Facebook and Google+
Originally Posted by lovely08 -23<or equal to 3x-8 and 9x-8<-17 $\displaystyle -23 \le 3x-8$ $\displaystyle -15 \le 3x$ $\displaystyle x \ge -5$ $\displaystyle 9x-8<-17$ $\displaystyle 9x<-25$ $\displaystyle x<\frac{-25}{9}$ Combine these two together and you have the following constraint: $\displaystyle -5 < x \le \frac{-25}{9}$
View Tag Cloud