Question

Solve 5 - 2x < 7.

A) x < -1
B) x > -1
C) x < -12
D) x > -12

Answer 1

x<-1

Explanation:

5-2x < 7

add 2x to both sides

5-2x +2x <7+2x

5<7+2x

subtract 7 from both sides

5-7<7-7+2x

5-7<2x

-3<2x

divide both sides by 2

-1½<x

Answer 2

B) x > -1

Explanation:

[Work in Picture]