6 + 2x = 24


6


9

15

16







{5, 6, 7}




{5, 6, 7, 8}

{8, 9, 10}

{9, 10}






3x – 5 ≥ 7


{1, 2, 3}

{1, 2, 3, 4}

{5, 6}


{4, 5, 6}







4x – 3 ≥ 5


{1, 2}

{3, 4}


{2, 3, 4}

{1, 2, 3, 4}





3r ≤ 4r – 6


{5}


{5, 6}

{7, 8, 9,10}


{6, 7, 8, 9,10}