Question

7x< 21 Im on khan academy so i need help

Answer 1

x< 3

7x<21

Divide each term in 7x<21 by 7.

Cancel the common factor of 7.

Divide 21 by 7.

The result can be shown in multiple forms.

Inequality Form:

x< 3

Interval Notation:

(−∞, 3)