" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
5x - 4,9 = 20% × 0,5x
5x - 4,9 = 0,2 × 0,5x
5x - 4,9 = 0,1x
5x - 0,1x = 4,9
4,9x = 4,9/:4,9
x = 1
5x-4,9=20%*0,5x
5x-4,9=0,2*0,5x
5x-4,9=0,1x
5x-0,1x=4,9
4,9x=4,9/:4,9
x=1
odp.szukana liczba to 1