Question

Given: 5 > x + 7.

Choose the solution set.

x R, x > -2
x R, x < -2
x R, x > 2
x

Answer 1

`\huge\boxed{\{x|x\in\mathbb{R},\ x<-2\}}`

Explanation:

`5>x+7\qquad|\text{subtract 7 from both sides}\\\\5-7>x+7-7\\\\-2>x\to x<-2}`