Solve the inequality and graph it on the number line. Show the answer in interval notation. -4(x+2)>3x+20?

1 Answer
Feb 17, 2018

The solution is x<-4 or (-oo,-4).

Explanation:

Isolate x (don't forget to flip the inequality sign when you multiply or divide by -1):

-4(x+2)>3x+20

-4x-8>3x+20

-7x-8>20

-7x>28

7x<-28

x<-4

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In interval notation, this is written (-oo,-4).