• d) 4x-5 < x+3
    = 3x < 8
    x = 8/3

    e) 8x-3 > 2x-5
    = 6x > -2
    x = -2/6

    f) 4x+2 < x+5
    = 3x < 3
    x = 3/3 = 1

Autres questions