Answer:
7x < 42
x + 1 < 8
3x > 15
2x > 12
Step-by-step explanation:
> means "more than" (shading to the right)
< means "less than" (shading to the left)
Solve the given inequalities
7x < 42
⇒ 7x ÷ 7 < 42 ÷ 7
⇒ x < 6
An open circle on 6, shading to the left
3x > 15
⇒ 3x ÷ 3 > 15 ÷ 3
⇒ x > 5
An open circle on 5, shading to the right
x + 1 < 8
⇒ x + 1 - 1 < 8 - 1
⇒ x < 7
An open circle on 7, shading to the left
2x > 12
⇒ 2x ÷ 2 > 12 ÷ 2
⇒ x > 6
An open circle on 6, shading to the right
