+0  
 
+1
81
2
avatar+20 

1.Solve the inequality $2x - 5 \le -x +12$. Give your answer as an interval.

2.Solve the inequality $-4(x + 4) > x + 7.$ Give your answer as an interval.

 Jun 29, 2020
 #1
avatar
0

This is AoPS homework.  You should not cheat on your homework.

 Jun 29, 2020
 #2
avatar+782 
+1

1.

 \(2x - 5 \le -x +12\\ =3x\le17\\ =x\le\frac{17}{3}\\ \boxed{x\in(-\infty,\frac{17}{3}]}\)

 

2.

 \(-4(x+4)>x+7\\ -4x-16>x+7\\ -5x>23\\ 5x<-23\\ x<-\frac{23}{5}\\\ \boxed{x\in(-\infty, -\frac{23}{5})} \)

 Jun 29, 2020

58 Online Users

avatar
avatar
avatar