" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
x(v7-3)<2v7-6 /:(v7-3) <-- ujemne, więc zmieniam znak nierówności na przeciwny
x > (2v7-6)/(v7-3) *(v7+3)/(v7+3)
x> (14+6v7-6v7-18)/(7-9)
x>(-4)/(-2)
x>2
x€(2, +∞)