" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
0,5x+x=25
1,5x=25/:1,5
x=25:3/2=25·2/3=50/3=16 i 2/3
1 1/2x =25 /:1 1/2x
x= 16,7