Question

Given x+2<-5 choose the solution set.​

Answer 1

x < -7; the answer is the first choice.

Explanation:

x + 2 < -5

Subtract 2 from both sides.

x < -7

The answer is the first choice.

Answer 2

`\large\boxed{\{x|x\in\mathbb{R},\ x<-7\}}`

Explanation:

`x+2<-5\qquad\text{subtract 2 from both sides}\\\\x+2-2<-5-2\\\\x<-7\to\{x|x\in\mathbb{R},\ x<-7\}`