Question

Medal!
Which of the following is not an equivalent form of the compound inequality

x + 15 less than or greater to 12 and x + 15 greater than or equal to 5

12 greater than or equal to x + 15 greater than or equal to 5
−3 greater than or equal to x greater than or equal to −10
A number line with a closed circle on −10, a closed circle on −3, and shading in between.
A number line with a closed circle on −10, shading to the left, and a closed circle on −3, shading to the right.

Answer 1

First one