Which of the following is not a way to represent the solution of the inequality 5(x + 2) =7x + 2(x − 1)? A number line with a closed circle on 3 and shading to the right. A number line with a closed circle on 3 and shading to the left. 3 = x x

Question

Which of the following is not a way to represent the solution of the inequality 5(x + 2)  =>7x + 2(x − 1)?

 A number line with a closed circle on 3 and shading to the right.

 A number line with a closed circle on 3 and shading to the left.

 3 => x

 x <= 3

jackellyn · Answer

I answered this:
5x + 10 => 7x +2x -2 
5x +10 => 9x -2 
12 => 4x 3 => x 
x <= 3
 It would be incorrect to have shading on the right side since it is less than or equal to 3.