Question

X + 7 < 12







please help,

Answer 1

Answer: X < 5

Explanation
X + 7 < 12
- 7 - 7
X < 5

In interval notation it would be ( - infinite, 5)

Answer 2

x<5

Explanation:

x+7-7<12-7

(subtract 7 from both sides)=

x < 5

i hope this helps you !