" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2x+3x-6>x+3
5x-6>x+3
4x>9
x>9/4 i x∈C⇒ x∈{3,4,5,6,7,...}
2(x-1)+3(x-2) ≤22
2x-2+3x-6 ≤ 22
5x-8≤22
5x≤30 /:5
x≤6 i x∈C⇒ x∈{...,-2,-1,0,1,2,3,4,5,6}
x∈{3,4,5,6,7,...} i x∈{...,-2,-1,0,1,2,3,4,5,6}⇒ x∈{3,4,5,6}