Which of the following is not an equivalent form of the compound inequality
x + 8 > 20 and x + 8 less than or greater to 28
20 < x + 8 less than or greater to 28
12 < x and x less than or greater to 20
A number line with an open circle on 12, shading to the left, and a closed circle on 20, shading to the right.
A number line with an open circle on 12, a closed circle on 20, and shading in between.
