" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
x-5=1/2(x+5)
x-5=1/2x+2,5
1/2x=7,5
x=15
Odp. Ania ma 15 lat
2x-10 =x+5
x=15
2(x-5)=x+5
2x-10=x+5
x=15